Home / 56,049,355.20-84,074,032.80-47,121,146.40

Finding the Fourth Proportional to 56,049,355.20, 84,074,032.80 and 47,121,146.40

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Solution

The fourth proportional to 56,049,355.20, 84,074,032.80 and 47,121,146.40 is: 70,681,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049,355.20 : 84,074,032.80 = 47,121,146.40 : x
  2. Step 2: Convert to fraction form
    56,049,355.20/84,074,032.80 = 47,121,146.40/x
  3. Step 3: Cross multiply
    56,049,355.20x = 84,074,032.80 × 47,121,146.40
  4. Step 4: Simplify right side
    56,049,355.20x = 3,961,664,808,007,201.50
  5. Step 5: Solve for x
    x = 3,961,664,808,007,201.50/56,049,355.20
  6. Step 6: Final answer
    x = 70,681,719.60

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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.