Home / 137,561,176.30-189,834,416.88-75,680,186.26

Finding the Fourth Proportional to 137,561,176.30, 189,834,416.88 and 75,680,186.26

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Solution

The fourth proportional to 137,561,176.30, 189,834,416.88 and 75,680,186.26 is: 104,438,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561,176.30 : 189,834,416.88 = 75,680,186.26 : x
  2. Step 2: Convert to fraction form
    137,561,176.30/189,834,416.88 = 75,680,186.26/x
  3. Step 3: Cross multiply
    137,561,176.30x = 189,834,416.88 × 75,680,186.26
  4. Step 4: Simplify right side
    137,561,176.30x = 14,366,704,028,036,888
  5. Step 5: Solve for x
    x = 14,366,704,028,036,888/137,561,176.30
  6. Step 6: Final answer
    x = 104,438,653.51

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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.