Home / 158,904,069.60-238,356,104.40-86,344,658.40

Finding the Fourth Proportional to 158,904,069.60, 238,356,104.40 and 86,344,658.40

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Solution

The fourth proportional to 158,904,069.60, 238,356,104.40 and 86,344,658.40 is: 129,516,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,904,069.60 : 238,356,104.40 = 86,344,658.40 : x
  2. Step 2: Convert to fraction form
    158,904,069.60/238,356,104.40 = 86,344,658.40/x
  3. Step 3: Cross multiply
    158,904,069.60x = 238,356,104.40 × 86,344,658.40
  4. Step 4: Simplify right side
    158,904,069.60x = 20,580,776,411,972,740
  5. Step 5: Solve for x
    x = 20,580,776,411,972,740/158,904,069.60
  6. Step 6: Final answer
    x = 129,516,987.60

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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.