Home / 71,307,507.84-107,001,004.32-38,517,416.16

Finding the Fourth Proportional to 71,307,507.84, 107,001,004.32 and 38,517,416.16

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Solution

The fourth proportional to 71,307,507.84, 107,001,004.32 and 38,517,416.16 is: 57,797,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307,507.84 : 107,001,004.32 = 38,517,416.16 : x
  2. Step 2: Convert to fraction form
    71,307,507.84/107,001,004.32 = 38,517,416.16/x
  3. Step 3: Cross multiply
    71,307,507.84x = 107,001,004.32 × 38,517,416.16
  4. Step 4: Simplify right side
    71,307,507.84x = 4,121,402,212,931,397
  5. Step 5: Solve for x
    x = 4,121,402,212,931,397/71,307,507.84
  6. Step 6: Final answer
    x = 57,797,591.55

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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.