Home / 86,320,428.80-129,480,643.20-22,495,020.80

Finding the Fourth Proportional to 86,320,428.80, 129,480,643.20 and 22,495,020.80

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Solution

The fourth proportional to 86,320,428.80, 129,480,643.20 and 22,495,020.80 is: 33,742,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320,428.80 : 129,480,643.20 = 22,495,020.80 : x
  2. Step 2: Convert to fraction form
    86,320,428.80/129,480,643.20 = 22,495,020.80/x
  3. Step 3: Cross multiply
    86,320,428.80x = 129,480,643.20 × 22,495,020.80
  4. Step 4: Simplify right side
    86,320,428.80x = 2,912,669,761,981,378.50
  5. Step 5: Solve for x
    x = 2,912,669,761,981,378.50/86,320,428.80
  6. Step 6: Final answer
    x = 33,742,531.20

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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.