Home / 99,239,725.50-136,930,752.39-57,978,646.26

Finding the Fourth Proportional to 99,239,725.50, 136,930,752.39 and 57,978,646.26

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Solution

The fourth proportional to 99,239,725.50, 136,930,752.39 and 57,978,646.26 is: 79,998,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,239,725.50 : 136,930,752.39 = 57,978,646.26 : x
  2. Step 2: Convert to fraction form
    99,239,725.50/136,930,752.39 = 57,978,646.26/x
  3. Step 3: Cross multiply
    99,239,725.50x = 136,930,752.39 × 57,978,646.26
  4. Step 4: Simplify right side
    99,239,725.50x = 7,939,059,654,935,458
  5. Step 5: Solve for x
    x = 7,939,059,654,935,458/99,239,725.50
  6. Step 6: Final answer
    x = 79,998,807.08

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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.