Home / 99,240,043.60-148,904,302.20-45,359,621.20

Finding the Fourth Proportional to 99,240,043.60, 148,904,302.20 and 45,359,621.20

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Solution

The fourth proportional to 99,240,043.60, 148,904,302.20 and 45,359,621.20 is: 68,059,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240,043.60 : 148,904,302.20 = 45,359,621.20 : x
  2. Step 2: Convert to fraction form
    99,240,043.60/148,904,302.20 = 45,359,621.20/x
  3. Step 3: Cross multiply
    99,240,043.60x = 148,904,302.20 × 45,359,621.20
  4. Step 4: Simplify right side
    99,240,043.60x = 6,754,242,742,842,327
  5. Step 5: Solve for x
    x = 6,754,242,742,842,327/99,240,043.60
  6. Step 6: Final answer
    x = 68,059,651.10

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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.