Home / 71,965,681.65-107,948,838.69-22,781,776.64

Finding the Fourth Proportional to 71,965,681.65, 107,948,838.69 and 22,781,776.64

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Solution

The fourth proportional to 71,965,681.65, 107,948,838.69 and 22,781,776.64 is: 34,172,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965,681.65 : 107,948,838.69 = 22,781,776.64 : x
  2. Step 2: Convert to fraction form
    71,965,681.65/107,948,838.69 = 22,781,776.64/x
  3. Step 3: Cross multiply
    71,965,681.65x = 107,948,838.69 × 22,781,776.64
  4. Step 4: Simplify right side
    71,965,681.65x = 2,459,266,331,043,226
  5. Step 5: Solve for x
    x = 2,459,266,331,043,226/71,965,681.65
  6. Step 6: Final answer
    x = 34,172,765.05

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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.