Home / 88,678,141.07-122,433,417.29-79,369,591.10

Finding the Fourth Proportional to 88,678,141.07, 122,433,417.29 and 79,369,591.10

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Solution

The fourth proportional to 88,678,141.07, 122,433,417.29 and 79,369,591.10 is: 109,581,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678,141.07 : 122,433,417.29 = 79,369,591.10 : x
  2. Step 2: Convert to fraction form
    88,678,141.07/122,433,417.29 = 79,369,591.10/x
  3. Step 3: Cross multiply
    88,678,141.07x = 122,433,417.29 × 79,369,591.10
  4. Step 4: Simplify right side
    88,678,141.07x = 9,717,490,266,869,228
  5. Step 5: Solve for x
    x = 9,717,490,266,869,228/88,678,141.07
  6. Step 6: Final answer
    x = 109,581,573.88

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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.