Home / 242,560,697.60-363,841,046.40-70,043,139.20

Finding the Fourth Proportional to 242,560,697.60, 363,841,046.40 and 70,043,139.20

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Solution

The fourth proportional to 242,560,697.60, 363,841,046.40 and 70,043,139.20 is: 105,064,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,560,697.60 : 363,841,046.40 = 70,043,139.20 : x
  2. Step 2: Convert to fraction form
    242,560,697.60/363,841,046.40 = 70,043,139.20/x
  3. Step 3: Cross multiply
    242,560,697.60x = 363,841,046.40 × 70,043,139.20
  4. Step 4: Simplify right side
    242,560,697.60x = 25,484,569,059,668,860
  5. Step 5: Solve for x
    x = 25,484,569,059,668,860/242,560,697.60
  6. Step 6: Final answer
    x = 105,064,708.80

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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.