Home / 159,651,008.20-239,476,512.30-91,437,603.40

Finding the Fourth Proportional to 159,651,008.20, 239,476,512.30 and 91,437,603.40

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Solution

The fourth proportional to 159,651,008.20, 239,476,512.30 and 91,437,603.40 is: 137,156,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,651,008.20 : 239,476,512.30 = 91,437,603.40 : x
  2. Step 2: Convert to fraction form
    159,651,008.20/239,476,512.30 = 91,437,603.40/x
  3. Step 3: Cross multiply
    159,651,008.20x = 239,476,512.30 × 91,437,603.40
  4. Step 4: Simplify right side
    159,651,008.20x = 21,897,158,355,302,624
  5. Step 5: Solve for x
    x = 21,897,158,355,302,624/159,651,008.20
  6. Step 6: Final answer
    x = 137,156,405.10

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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.