Home / 71,872,926.16-107,827,575.36-20,057,522.64

Finding the Fourth Proportional to 71,872,926.16, 107,827,575.36 and 20,057,522.64

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Solution

The fourth proportional to 71,872,926.16, 107,827,575.36 and 20,057,522.64 is: 30,091,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,872,926.16 : 107,827,575.36 = 20,057,522.64 : x
  2. Step 2: Convert to fraction form
    71,872,926.16/107,827,575.36 = 20,057,522.64/x
  3. Step 3: Cross multiply
    71,872,926.16x = 107,827,575.36 × 20,057,522.64
  4. Step 4: Simplify right side
    71,872,926.16x = 2,162,754,033,999,506.25
  5. Step 5: Solve for x
    x = 2,162,754,033,999,506.25/71,872,926.16
  6. Step 6: Final answer
    x = 30,091,359.15

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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.