Home / 102,910,229.64-142,009,754.22-56,500,223.40

Finding the Fourth Proportional to 102,910,229.64, 142,009,754.22 and 56,500,223.40

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Solution

The fourth proportional to 102,910,229.64, 142,009,754.22 and 56,500,223.40 is: 77,966,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910,229.64 : 142,009,754.22 = 56,500,223.40 : x
  2. Step 2: Convert to fraction form
    102,910,229.64/142,009,754.22 = 56,500,223.40/x
  3. Step 3: Cross multiply
    102,910,229.64x = 142,009,754.22 × 56,500,223.40
  4. Step 4: Simplify right side
    102,910,229.64x = 8,023,582,838,409,092
  5. Step 5: Solve for x
    x = 8,023,582,838,409,092/102,910,229.64
  6. Step 6: Final answer
    x = 77,966,815.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.