Home / 99,272,001.60-148,908,002.40-48,253,665.60

Finding the Fourth Proportional to 99,272,001.60, 148,908,002.40 and 48,253,665.60

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Solution

The fourth proportional to 99,272,001.60, 148,908,002.40 and 48,253,665.60 is: 72,380,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272,001.60 : 148,908,002.40 = 48,253,665.60 : x
  2. Step 2: Convert to fraction form
    99,272,001.60/148,908,002.40 = 48,253,665.60/x
  3. Step 3: Cross multiply
    99,272,001.60x = 148,908,002.40 × 48,253,665.60
  4. Step 4: Simplify right side
    99,272,001.60x = 7,185,356,952,973,598
  5. Step 5: Solve for x
    x = 7,185,356,952,973,598/99,272,001.60
  6. Step 6: Final answer
    x = 72,380,498.40

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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.