Home / 142,704,000.10-214,056,000.15-99,657,279.10

Finding the Fourth Proportional to 142,704,000.10, 214,056,000.15 and 99,657,279.10

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Solution

The fourth proportional to 142,704,000.10, 214,056,000.15 and 99,657,279.10 is: 149,485,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,704,000.10 : 214,056,000.15 = 99,657,279.10 : x
  2. Step 2: Convert to fraction form
    142,704,000.10/214,056,000.15 = 99,657,279.10/x
  3. Step 3: Cross multiply
    142,704,000.10x = 214,056,000.15 × 99,657,279.10
  4. Step 4: Simplify right side
    142,704,000.10x = 21,332,238,549,978,192
  5. Step 5: Solve for x
    x = 21,332,238,549,978,192/142,704,000.10
  6. Step 6: Final answer
    x = 149,485,918.65

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1.5x scale

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.