Home / 242,515,067.60-363,772,601.40-69,997,509.20

Finding the Fourth Proportional to 242,515,067.60, 363,772,601.40 and 69,997,509.20

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Solution

The fourth proportional to 242,515,067.60, 363,772,601.40 and 69,997,509.20 is: 104,996,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,515,067.60 : 363,772,601.40 = 69,997,509.20 : x
  2. Step 2: Convert to fraction form
    242,515,067.60/363,772,601.40 = 69,997,509.20/x
  3. Step 3: Cross multiply
    242,515,067.60x = 363,772,601.40 × 69,997,509.20
  4. Step 4: Simplify right side
    242,515,067.60x = 25,463,176,013,204,432
  5. Step 5: Solve for x
    x = 25,463,176,013,204,432/242,515,067.60
  6. Step 6: Final answer
    x = 104,996,263.80

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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.