Home / 142,433,718.40-213,620,680.50-40,173,841.18

Finding the Fourth Proportional to 142,433,718.40, 213,620,680.50 and 40,173,841.18

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Solution

The fourth proportional to 142,433,718.40, 213,620,680.50 and 40,173,841.18 is: 60,252,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,433,718.40 : 213,620,680.50 = 40,173,841.18 : x
  2. Step 2: Convert to fraction form
    142,433,718.40/213,620,680.50 = 40,173,841.18/x
  3. Step 3: Cross multiply
    142,433,718.40x = 213,620,680.50 × 40,173,841.18
  4. Step 4: Simplify right side
    142,433,718.40x = 8,581,963,291,170,523
  5. Step 5: Solve for x
    x = 8,581,963,291,170,523/142,433,718.40
  6. Step 6: Final answer
    x = 60,252,329.21

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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.