Home / 159,609,886.40-239,414,829.60-86,798,532.80

Finding the Fourth Proportional to 159,609,886.40, 239,414,829.60 and 86,798,532.80

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Solution

The fourth proportional to 159,609,886.40, 239,414,829.60 and 86,798,532.80 is: 130,197,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609,886.40 : 239,414,829.60 = 86,798,532.80 : x
  2. Step 2: Convert to fraction form
    159,609,886.40/239,414,829.60 = 86,798,532.80/x
  3. Step 3: Cross multiply
    159,609,886.40x = 239,414,829.60 × 86,798,532.80
  4. Step 4: Simplify right side
    159,609,886.40x = 20,780,855,939,842,008
  5. Step 5: Solve for x
    x = 20,780,855,939,842,008/159,609,886.40
  6. Step 6: Final answer
    x = 130,197,799.20

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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.