Home / 402,246,090-603,043,675.38-125,755,052.40

Finding the Fourth Proportional to 402,246,090, 603,043,675.38 and 125,755,052.40

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Solution

The fourth proportional to 402,246,090, 603,043,675.38 and 125,755,052.40 is: 188,530,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,246,090 : 603,043,675.38 = 125,755,052.40 : x
  2. Step 2: Convert to fraction form
    402,246,090/603,043,675.38 = 125,755,052.40/x
  3. Step 3: Cross multiply
    402,246,090x = 603,043,675.38 × 125,755,052.40
  4. Step 4: Simplify right side
    402,246,090x = 75,835,788,996,900,496
  5. Step 5: Solve for x
    x = 75,835,788,996,900,496/402,246,090
  6. Step 6: Final answer
    x = 188,530,829.47

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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.