Home / 133,730,999.70-200,596,499.55-86,917,690.61

Finding the Fourth Proportional to 133,730,999.70, 200,596,499.55 and 86,917,690.61

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Solution

The fourth proportional to 133,730,999.70, 200,596,499.55 and 86,917,690.61 is: 130,376,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,730,999.70 : 200,596,499.55 = 86,917,690.61 : x
  2. Step 2: Convert to fraction form
    133,730,999.70/200,596,499.55 = 86,917,690.61/x
  3. Step 3: Cross multiply
    133,730,999.70x = 200,596,499.55 × 86,917,690.61
  4. Step 4: Simplify right side
    133,730,999.70x = 17,435,384,485,837,396
  5. Step 5: Solve for x
    x = 17,435,384,485,837,396/133,730,999.70
  6. Step 6: Final answer
    x = 130,376,535.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.