Home / 78,176,098.28-107,883,142.74-43,368,789.56

Finding the Fourth Proportional to 78,176,098.28, 107,883,142.74 and 43,368,789.56

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Solution

The fourth proportional to 78,176,098.28, 107,883,142.74 and 43,368,789.56 is: 59,849,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176,098.28 : 107,883,142.74 = 43,368,789.56 : x
  2. Step 2: Convert to fraction form
    78,176,098.28/107,883,142.74 = 43,368,789.56/x
  3. Step 3: Cross multiply
    78,176,098.28x = 107,883,142.74 × 43,368,789.56
  4. Step 4: Simplify right side
    78,176,098.28x = 4,678,761,314,562,502
  5. Step 5: Solve for x
    x = 4,678,761,314,562,502/78,176,098.28
  6. Step 6: Final answer
    x = 59,849,000.11

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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.