Home / 48,458,331.40-72,788,585.10-40,900,059.40

Finding the Fourth Proportional to 48,458,331.40, 72,788,585.10 and 40,900,059.40

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Solution

The fourth proportional to 48,458,331.40, 72,788,585.10 and 40,900,059.40 is: 61,435,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458,331.40 : 72,788,585.10 = 40,900,059.40 : x
  2. Step 2: Convert to fraction form
    48,458,331.40/72,788,585.10 = 40,900,059.40/x
  3. Step 3: Cross multiply
    48,458,331.40x = 72,788,585.10 × 40,900,059.40
  4. Step 4: Simplify right side
    48,458,331.40x = 2,977,057,454,231,954.50
  5. Step 5: Solve for x
    x = 2,977,057,454,231,954.50/48,458,331.40
  6. Step 6: Final answer
    x = 61,435,409.93

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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.