Home / 159,456,470.40-239,184,705.60-86,708,102.40

Finding the Fourth Proportional to 159,456,470.40, 239,184,705.60 and 86,708,102.40

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Solution

The fourth proportional to 159,456,470.40, 239,184,705.60 and 86,708,102.40 is: 130,062,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456,470.40 : 239,184,705.60 = 86,708,102.40 : x
  2. Step 2: Convert to fraction form
    159,456,470.40/239,184,705.60 = 86,708,102.40/x
  3. Step 3: Cross multiply
    159,456,470.40x = 239,184,705.60 × 86,708,102.40
  4. Step 4: Simplify right side
    159,456,470.40x = 20,739,251,945,678,656
  5. Step 5: Solve for x
    x = 20,739,251,945,678,656/159,456,470.40
  6. Step 6: Final answer
    x = 130,062,153.60

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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.