Home / 142,704,002.10-214,056,003.15-99,657,281.10

Finding the Fourth Proportional to 142,704,002.10, 214,056,003.15 and 99,657,281.10

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Solution

The fourth proportional to 142,704,002.10, 214,056,003.15 and 99,657,281.10 is: 149,485,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,704,002.10 : 214,056,003.15 = 99,657,281.10 : x
  2. Step 2: Convert to fraction form
    142,704,002.10/214,056,003.15 = 99,657,281.10/x
  3. Step 3: Cross multiply
    142,704,002.10x = 214,056,003.15 × 99,657,281.10
  4. Step 4: Simplify right side
    142,704,002.10x = 21,332,239,277,062,036
  5. Step 5: Solve for x
    x = 21,332,239,277,062,036/142,704,002.10
  6. Step 6: Final answer
    x = 149,485,921.65

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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.