Home / 91,559,665.70-126,321,088.92-56,739,651.38

Finding the Fourth Proportional to 91,559,665.70, 126,321,088.92 and 56,739,651.38

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Solution

The fourth proportional to 91,559,665.70, 126,321,088.92 and 56,739,651.38 is: 78,281,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,559,665.70 : 126,321,088.92 = 56,739,651.38 : x
  2. Step 2: Convert to fraction form
    91,559,665.70/126,321,088.92 = 56,739,651.38/x
  3. Step 3: Cross multiply
    91,559,665.70x = 126,321,088.92 × 56,739,651.38
  4. Step 4: Simplify right side
    91,559,665.70x = 7,167,414,547,262,781
  5. Step 5: Solve for x
    x = 7,167,414,547,262,781/91,559,665.70
  6. Step 6: Final answer
    x = 78,281,353.39

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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.