Home / 147,432,711.90-221,290,785.45-74,731,583.10

Finding the Fourth Proportional to 147,432,711.90, 221,290,785.45 and 74,731,583.10

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Solution

The fourth proportional to 147,432,711.90, 221,290,785.45 and 74,731,583.10 is: 112,169,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432,711.90 : 221,290,785.45 = 74,731,583.10 : x
  2. Step 2: Convert to fraction form
    147,432,711.90/221,290,785.45 = 74,731,583.10/x
  3. Step 3: Cross multiply
    147,432,711.90x = 221,290,785.45 × 74,731,583.10
  4. Step 4: Simplify right side
    147,432,711.90x = 16,537,410,722,120,944
  5. Step 5: Solve for x
    x = 16,537,410,722,120,944/147,432,711.90
  6. Step 6: Final answer
    x = 112,169,209.32

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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.