Home / 83,241,000.90-124,861,501.35-79,272,908.10

Finding the Fourth Proportional to 83,241,000.90, 124,861,501.35 and 79,272,908.10

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Solution

The fourth proportional to 83,241,000.90, 124,861,501.35 and 79,272,908.10 is: 118,909,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,241,000.90 : 124,861,501.35 = 79,272,908.10 : x
  2. Step 2: Convert to fraction form
    83,241,000.90/124,861,501.35 = 79,272,908.10/x
  3. Step 3: Cross multiply
    83,241,000.90x = 124,861,501.35 × 79,272,908.10
  4. Step 4: Simplify right side
    83,241,000.90x = 9,898,134,321,746,574
  5. Step 5: Solve for x
    x = 9,898,134,321,746,574/83,241,000.90
  6. Step 6: Final answer
    x = 118,909,362.15

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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.