Home / 131,624,281.82-181,700,171.13-86,997,132.86

Finding the Fourth Proportional to 131,624,281.82, 181,700,171.13 and 86,997,132.86

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Solution

The fourth proportional to 131,624,281.82, 181,700,171.13 and 86,997,132.86 is: 120,094,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,624,281.82 : 181,700,171.13 = 86,997,132.86 : x
  2. Step 2: Convert to fraction form
    131,624,281.82/181,700,171.13 = 86,997,132.86/x
  3. Step 3: Cross multiply
    131,624,281.82x = 181,700,171.13 × 86,997,132.86
  4. Step 4: Simplify right side
    131,624,281.82x = 15,807,393,927,572,846
  5. Step 5: Solve for x
    x = 15,807,393,927,572,846/131,624,281.82
  6. Step 6: Final answer
    x = 120,094,816.17

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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.