Home / 99,240,429.60-148,904,881.20-45,360,007.20

Finding the Fourth Proportional to 99,240,429.60, 148,904,881.20 and 45,360,007.20

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Solution

The fourth proportional to 99,240,429.60, 148,904,881.20 and 45,360,007.20 is: 68,060,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240,429.60 : 148,904,881.20 = 45,360,007.20 : x
  2. Step 2: Convert to fraction form
    99,240,429.60/148,904,881.20 = 45,360,007.20/x
  3. Step 3: Cross multiply
    99,240,429.60x = 148,904,881.20 × 45,360,007.20
  4. Step 4: Simplify right side
    99,240,429.60x = 6,754,326,483,347,145
  5. Step 5: Solve for x
    x = 6,754,326,483,347,145/99,240,429.60
  6. Step 6: Final answer
    x = 68,060,230.20

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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.