Home / 80,779,032,117.80-121,168,548,176.70-36,699,189,813.80

Finding the Fourth Proportional to 80,779,032,117.80, 121,168,548,176.70 and 36,699,189,813.80

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Solution

The fourth proportional to 80,779,032,117.80, 121,168,548,176.70 and 36,699,189,813.80 is: 55,048,784,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,032,117.80 : 121,168,548,176.70 = 36,699,189,813.80 : x
  2. Step 2: Convert to fraction form
    80,779,032,117.80/121,168,548,176.70 = 36,699,189,813.80/x
  3. Step 3: Cross multiply
    80,779,032,117.80x = 121,168,548,176.70 × 36,699,189,813.80
  4. Step 4: Simplify right side
    80,779,032,117.80x = 4,446,787,548,999,283,376,128
  5. Step 5: Solve for x
    x = 4,446,787,548,999,283,376,128/80,779,032,117.80
  6. Step 6: Final answer
    x = 55,048,784,720.70

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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.