Home / 242,560,011.60-363,840,017.40-70,042,453.20

Finding the Fourth Proportional to 242,560,011.60, 363,840,017.40 and 70,042,453.20

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Solution

The fourth proportional to 242,560,011.60, 363,840,017.40 and 70,042,453.20 is: 105,063,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,560,011.60 : 363,840,017.40 = 70,042,453.20 : x
  2. Step 2: Convert to fraction form
    242,560,011.60/363,840,017.40 = 70,042,453.20/x
  3. Step 3: Cross multiply
    242,560,011.60x = 363,840,017.40 × 70,042,453.20
  4. Step 4: Simplify right side
    242,560,011.60x = 25,484,247,391,026,684
  5. Step 5: Solve for x
    x = 25,484,247,391,026,684/242,560,011.60
  6. Step 6: Final answer
    x = 105,063,679.80

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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.