Home / 99,645,259.12-137,510,543.75-55,592,266.92

Finding the Fourth Proportional to 99,645,259.12, 137,510,543.75 and 55,592,266.92

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Solution

The fourth proportional to 99,645,259.12, 137,510,543.75 and 55,592,266.92 is: 76,717,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,259.12 : 137,510,543.75 = 55,592,266.92 : x
  2. Step 2: Convert to fraction form
    99,645,259.12/137,510,543.75 = 55,592,266.92/x
  3. Step 3: Cross multiply
    99,645,259.12x = 137,510,543.75 × 55,592,266.92
  4. Step 4: Simplify right side
    99,645,259.12x = 7,644,522,852,464,338
  5. Step 5: Solve for x
    x = 7,644,522,852,464,338/99,645,259.12
  6. Step 6: Final answer
    x = 76,717,376.42

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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.