Home / 86,715,490.11-130,144,792.16-43,596,948.03

Finding the Fourth Proportional to 86,715,490.11, 130,144,792.16 and 43,596,948.03

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Solution

The fourth proportional to 86,715,490.11, 130,144,792.16 and 43,596,948.03 is: 65,431,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715,490.11 : 130,144,792.16 = 43,596,948.03 : x
  2. Step 2: Convert to fraction form
    86,715,490.11/130,144,792.16 = 43,596,948.03/x
  3. Step 3: Cross multiply
    86,715,490.11x = 130,144,792.16 × 43,596,948.03
  4. Step 4: Simplify right side
    86,715,490.11x = 5,673,915,739,956,687
  5. Step 5: Solve for x
    x = 5,673,915,739,956,687/86,715,490.11
  6. Step 6: Final answer
    x = 65,431,397.93

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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.