Home / 239,448,005.70-359,172,008.55-86,099,064.90

Finding the Fourth Proportional to 239,448,005.70, 359,172,008.55 and 86,099,064.90

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Solution

The fourth proportional to 239,448,005.70, 359,172,008.55 and 86,099,064.90 is: 129,148,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,448,005.70 : 359,172,008.55 = 86,099,064.90 : x
  2. Step 2: Convert to fraction form
    239,448,005.70/359,172,008.55 = 86,099,064.90/x
  3. Step 3: Cross multiply
    239,448,005.70x = 359,172,008.55 × 86,099,064.90
  4. Step 4: Simplify right side
    239,448,005.70x = 30,924,374,074,409,808
  5. Step 5: Solve for x
    x = 30,924,374,074,409,808/239,448,005.70
  6. Step 6: Final answer
    x = 129,148,597.35

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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.