Home / 131,576,248.76-181,518,226.11-79,336,262.75

Finding the Fourth Proportional to 131,576,248.76, 181,518,226.11 and 79,336,262.75

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Solution

The fourth proportional to 131,576,248.76, 181,518,226.11 and 79,336,262.75 is: 109,449,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576,248.76 : 181,518,226.11 = 79,336,262.75 : x
  2. Step 2: Convert to fraction form
    131,576,248.76/181,518,226.11 = 79,336,262.75/x
  3. Step 3: Cross multiply
    131,576,248.76x = 181,518,226.11 × 79,336,262.75
  4. Step 4: Simplify right side
    131,576,248.76x = 14,400,977,679,669,282
  5. Step 5: Solve for x
    x = 14,400,977,679,669,282/131,576,248.76
  6. Step 6: Final answer
    x = 109,449,675.12

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Double scale
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1.5x scale

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.