Home / 99,062,399.52-136,701,514.08-55,012,193.28

Finding the Fourth Proportional to 99,062,399.52, 136,701,514.08 and 55,012,193.28

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Solution

The fourth proportional to 99,062,399.52, 136,701,514.08 and 55,012,193.28 is: 75,914,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,062,399.52 : 136,701,514.08 = 55,012,193.28 : x
  2. Step 2: Convert to fraction form
    99,062,399.52/136,701,514.08 = 55,012,193.28/x
  3. Step 3: Cross multiply
    99,062,399.52x = 136,701,514.08 × 55,012,193.28
  4. Step 4: Simplify right side
    99,062,399.52x = 7,520,250,114,237,602
  5. Step 5: Solve for x
    x = 7,520,250,114,237,602/99,062,399.52
  6. Step 6: Final answer
    x = 75,914,273.74

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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.