Home / 142,180,264.80-213,270,397.20-99,098,114.40

Finding the Fourth Proportional to 142,180,264.80, 213,270,397.20 and 99,098,114.40

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Solution

The fourth proportional to 142,180,264.80, 213,270,397.20 and 99,098,114.40 is: 148,647,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,180,264.80 : 213,270,397.20 = 99,098,114.40 : x
  2. Step 2: Convert to fraction form
    142,180,264.80/213,270,397.20 = 99,098,114.40/x
  3. Step 3: Cross multiply
    142,180,264.80x = 213,270,397.20 × 99,098,114.40
  4. Step 4: Simplify right side
    142,180,264.80x = 21,134,694,219,859,040
  5. Step 5: Solve for x
    x = 21,134,694,219,859,040/142,180,264.80
  6. Step 6: Final answer
    x = 148,647,171.60

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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.