Home / 83,014,308.20-124,185,539.10-72,936,612.20

Finding the Fourth Proportional to 83,014,308.20, 124,185,539.10 and 72,936,612.20

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Solution

The fourth proportional to 83,014,308.20, 124,185,539.10 and 72,936,612.20 is: 109,109,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,014,308.20 : 124,185,539.10 = 72,936,612.20 : x
  2. Step 2: Convert to fraction form
    83,014,308.20/124,185,539.10 = 72,936,612.20/x
  3. Step 3: Cross multiply
    83,014,308.20x = 124,185,539.10 × 72,936,612.20
  4. Step 4: Simplify right side
    83,014,308.20x = 9,057,672,506,184,636
  5. Step 5: Solve for x
    x = 9,057,672,506,184,636/83,014,308.20
  6. Step 6: Final answer
    x = 109,109,775.20

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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.