Home / 124,712,672.40-187,069,008.60-102,037,856.40

Finding the Fourth Proportional to 124,712,672.40, 187,069,008.60 and 102,037,856.40

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Solution

The fourth proportional to 124,712,672.40, 187,069,008.60 and 102,037,856.40 is: 153,056,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712,672.40 : 187,069,008.60 = 102,037,856.40 : x
  2. Step 2: Convert to fraction form
    124,712,672.40/187,069,008.60 = 102,037,856.40/x
  3. Step 3: Cross multiply
    124,712,672.40x = 187,069,008.60 × 102,037,856.40
  4. Step 4: Simplify right side
    124,712,672.40x = 19,088,120,636,417,164
  5. Step 5: Solve for x
    x = 19,088,120,636,417,164/124,712,672.40
  6. Step 6: Final answer
    x = 153,056,784.60

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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.