Home / 94,779,501.60-142,169,252.40-79,474,000.80

Finding the Fourth Proportional to 94,779,501.60, 142,169,252.40 and 79,474,000.80

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Solution

The fourth proportional to 94,779,501.60, 142,169,252.40 and 79,474,000.80 is: 119,211,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,779,501.60 : 142,169,252.40 = 79,474,000.80 : x
  2. Step 2: Convert to fraction form
    94,779,501.60/142,169,252.40 = 79,474,000.80/x
  3. Step 3: Cross multiply
    94,779,501.60x = 142,169,252.40 × 79,474,000.80
  4. Step 4: Simplify right side
    94,779,501.60x = 11,298,759,278,973,002
  5. Step 5: Solve for x
    x = 11,298,759,278,973,002/94,779,501.60
  6. Step 6: Final answer
    x = 119,211,001.20

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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.