Home / 242,560,419.60-363,840,629.40-70,042,861.20

Finding the Fourth Proportional to 242,560,419.60, 363,840,629.40 and 70,042,861.20

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Solution

The fourth proportional to 242,560,419.60, 363,840,629.40 and 70,042,861.20 is: 105,064,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,560,419.60 : 363,840,629.40 = 70,042,861.20 : x
  2. Step 2: Convert to fraction form
    242,560,419.60/363,840,629.40 = 70,042,861.20/x
  3. Step 3: Cross multiply
    242,560,419.60x = 363,840,629.40 × 70,042,861.20
  4. Step 4: Simplify right side
    242,560,419.60x = 25,484,438,703,984,840
  5. Step 5: Solve for x
    x = 25,484,438,703,984,840/242,560,419.60
  6. Step 6: Final answer
    x = 105,064,291.80

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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.