Home / 86,937,343.80-130,406,015.70-41,587,711.80

Finding the Fourth Proportional to 86,937,343.80, 130,406,015.70 and 41,587,711.80

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Solution

The fourth proportional to 86,937,343.80, 130,406,015.70 and 41,587,711.80 is: 62,381,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937,343.80 : 130,406,015.70 = 41,587,711.80 : x
  2. Step 2: Convert to fraction form
    86,937,343.80/130,406,015.70 = 41,587,711.80/x
  3. Step 3: Cross multiply
    86,937,343.80x = 130,406,015.70 × 41,587,711.80
  4. Step 4: Simplify right side
    86,937,343.80x = 5,423,287,797,917,875
  5. Step 5: Solve for x
    x = 5,423,287,797,917,875/86,937,343.80
  6. Step 6: Final answer
    x = 62,381,567.70

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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.