Home / 239,559,231.60-359,338,847.40-86,149,929.60

Finding the Fourth Proportional to 239,559,231.60, 359,338,847.40 and 86,149,929.60

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Solution

The fourth proportional to 239,559,231.60, 359,338,847.40 and 86,149,929.60 is: 129,224,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,559,231.60 : 359,338,847.40 = 86,149,929.60 : x
  2. Step 2: Convert to fraction form
    239,559,231.60/359,338,847.40 = 86,149,929.60/x
  3. Step 3: Cross multiply
    239,559,231.60x = 359,338,847.40 × 86,149,929.60
  4. Step 4: Simplify right side
    239,559,231.60x = 30,957,016,406,055,140
  5. Step 5: Solve for x
    x = 30,957,016,406,055,140/239,559,231.60
  6. Step 6: Final answer
    x = 129,224,894.40

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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.