Home / 78,615,200.10-117,922,800.15-24,027,680.10

Finding the Fourth Proportional to 78,615,200.10, 117,922,800.15 and 24,027,680.10

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Solution

The fourth proportional to 78,615,200.10, 117,922,800.15 and 24,027,680.10 is: 36,041,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,615,200.10 : 117,922,800.15 = 24,027,680.10 : x
  2. Step 2: Convert to fraction form
    78,615,200.10/117,922,800.15 = 24,027,680.10/x
  3. Step 3: Cross multiply
    78,615,200.10x = 117,922,800.15 × 24,027,680.10
  4. Step 4: Simplify right side
    78,615,200.10x = 2,833,411,318,500,432.50
  5. Step 5: Solve for x
    x = 2,833,411,318,500,432.50/78,615,200.10
  6. Step 6: Final answer
    x = 36,041,520.15

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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.