Home / 124,712,654.40-187,068,981.60-102,037,838.40

Finding the Fourth Proportional to 124,712,654.40, 187,068,981.60 and 102,037,838.40

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Solution

The fourth proportional to 124,712,654.40, 187,068,981.60 and 102,037,838.40 is: 153,056,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712,654.40 : 187,068,981.60 = 102,037,838.40 : x
  2. Step 2: Convert to fraction form
    124,712,654.40/187,068,981.60 = 102,037,838.40/x
  3. Step 3: Cross multiply
    124,712,654.40x = 187,068,981.60 × 102,037,838.40
  4. Step 4: Simplify right side
    124,712,654.40x = 19,088,114,514,153,372
  5. Step 5: Solve for x
    x = 19,088,114,514,153,372/124,712,654.40
  6. Step 6: Final answer
    x = 153,056,757.60

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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.