Home / 74,746,400.20-112,119,600.30-74,242,515.40

Finding the Fourth Proportional to 74,746,400.20, 112,119,600.30 and 74,242,515.40

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Solution

The fourth proportional to 74,746,400.20, 112,119,600.30 and 74,242,515.40 is: 111,363,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,400.20 : 112,119,600.30 = 74,242,515.40 : x
  2. Step 2: Convert to fraction form
    74,746,400.20/112,119,600.30 = 74,242,515.40/x
  3. Step 3: Cross multiply
    74,746,400.20x = 112,119,600.30 × 74,242,515.40
  4. Step 4: Simplify right side
    74,746,400.20x = 8,324,041,151,914,595
  5. Step 5: Solve for x
    x = 8,324,041,151,914,595/74,746,400.20
  6. Step 6: Final answer
    x = 111,363,773.10

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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.