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Finding the Fourth Proportional to 99,252,140.20, 148,542,287.10 and 99,252,140.20

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Solution

The fourth proportional to 99,252,140.20, 148,542,287.10 and 99,252,140.20 is: 148,542,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252,140.20 : 148,542,287.10 = 99,252,140.20 : x
  2. Step 2: Convert to fraction form
    99,252,140.20/148,542,287.10 = 99,252,140.20/x
  3. Step 3: Cross multiply
    99,252,140.20x = 148,542,287.10 × 99,252,140.20
  4. Step 4: Simplify right side
    99,252,140.20x = 14,743,139,904,877,852
  5. Step 5: Solve for x
    x = 14,743,139,904,877,852/99,252,140.20
  6. Step 6: Final answer
    x = 148,542,287.10

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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.