Home / 158,526,005.60-237,789,008.40-72,432,563.60

Finding the Fourth Proportional to 158,526,005.60, 237,789,008.40 and 72,432,563.60

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Solution

The fourth proportional to 158,526,005.60, 237,789,008.40 and 72,432,563.60 is: 108,648,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526,005.60 : 237,789,008.40 = 72,432,563.60 : x
  2. Step 2: Convert to fraction form
    158,526,005.60/237,789,008.40 = 72,432,563.60/x
  3. Step 3: Cross multiply
    158,526,005.60x = 237,789,008.40 × 72,432,563.60
  4. Step 4: Simplify right side
    158,526,005.60x = 17,223,667,474,313,934
  5. Step 5: Solve for x
    x = 17,223,667,474,313,934/158,526,005.60
  6. Step 6: Final answer
    x = 108,648,845.40

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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.