Home / 80,779,032,001.30-121,168,548,001.95-36,699,189,697.30

Finding the Fourth Proportional to 80,779,032,001.30, 121,168,548,001.95 and 36,699,189,697.30

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Solution

The fourth proportional to 80,779,032,001.30, 121,168,548,001.95 and 36,699,189,697.30 is: 55,048,784,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,032,001.30 : 121,168,548,001.95 = 36,699,189,697.30 : x
  2. Step 2: Convert to fraction form
    80,779,032,001.30/121,168,548,001.95 = 36,699,189,697.30/x
  3. Step 3: Cross multiply
    80,779,032,001.30x = 121,168,548,001.95 × 36,699,189,697.30
  4. Step 4: Simplify right side
    80,779,032,001.30x = 4,446,787,528,469,964,128,256
  5. Step 5: Solve for x
    x = 4,446,787,528,469,964,128,256/80,779,032,001.30
  6. Step 6: Final answer
    x = 55,048,784,545.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.