Home / 99,043,951.08-136,684,921.20-54,990,952.20

Finding the Fourth Proportional to 99,043,951.08, 136,684,921.20 and 54,990,952.20

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Solution

The fourth proportional to 99,043,951.08, 136,684,921.20 and 54,990,952.20 is: 75,889,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,951.08 : 136,684,921.20 = 54,990,952.20 : x
  2. Step 2: Convert to fraction form
    99,043,951.08/136,684,921.20 = 54,990,952.20/x
  3. Step 3: Cross multiply
    99,043,951.08x = 136,684,921.20 × 54,990,952.20
  4. Step 4: Simplify right side
    99,043,951.08x = 7,516,433,968,169,966
  5. Step 5: Solve for x
    x = 7,516,433,968,169,966/99,043,951.08
  6. Step 6: Final answer
    x = 75,889,884.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.