Home / 137,382,427.65-189,589,598.73-74,659,770.66

Finding the Fourth Proportional to 137,382,427.65, 189,589,598.73 and 74,659,770.66

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Solution

The fourth proportional to 137,382,427.65, 189,589,598.73 and 74,659,770.66 is: 103,031,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,382,427.65 : 189,589,598.73 = 74,659,770.66 : x
  2. Step 2: Convert to fraction form
    137,382,427.65/189,589,598.73 = 74,659,770.66/x
  3. Step 3: Cross multiply
    137,382,427.65x = 189,589,598.73 × 74,659,770.66
  4. Step 4: Simplify right side
    137,382,427.65x = 14,154,715,960,703,226
  5. Step 5: Solve for x
    x = 14,154,715,960,703,226/137,382,427.65
  6. Step 6: Final answer
    x = 103,031,488.11

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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.