Home / 147,373,419.20-221,060,128.80-102,023,787.20

Finding the Fourth Proportional to 147,373,419.20, 221,060,128.80 and 102,023,787.20

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Solution

The fourth proportional to 147,373,419.20, 221,060,128.80 and 102,023,787.20 is: 153,035,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,373,419.20 : 221,060,128.80 = 102,023,787.20 : x
  2. Step 2: Convert to fraction form
    147,373,419.20/221,060,128.80 = 102,023,787.20/x
  3. Step 3: Cross multiply
    147,373,419.20x = 221,060,128.80 × 102,023,787.20
  4. Step 4: Simplify right side
    147,373,419.20x = 22,553,391,539,095,792
  5. Step 5: Solve for x
    x = 22,553,391,539,095,792/147,373,419.20
  6. Step 6: Final answer
    x = 153,035,680.80

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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.