Home / 86,972,965.76-130,175,568-63,937,802.56

Finding the Fourth Proportional to 86,972,965.76, 130,175,568 and 63,937,802.56

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Solution

The fourth proportional to 86,972,965.76, 130,175,568 and 63,937,802.56 is: 95,698,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,965.76 : 130,175,568 = 63,937,802.56 : x
  2. Step 2: Convert to fraction form
    86,972,965.76/130,175,568 = 63,937,802.56/x
  3. Step 3: Cross multiply
    86,972,965.76x = 130,175,568 × 63,937,802.56
  4. Step 4: Simplify right side
    86,972,965.76x = 8,323,139,764,919,854
  5. Step 5: Solve for x
    x = 8,323,139,764,919,854/86,972,965.76
  6. Step 6: Final answer
    x = 95,698,010.21

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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.