Home / 342,746,432.94-513,760,857.85-143,439,915.45

Finding the Fourth Proportional to 342,746,432.94, 513,760,857.85 and 143,439,915.45

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Solution

The fourth proportional to 342,746,432.94, 513,760,857.85 and 143,439,915.45 is: 215,009,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,746,432.94 : 513,760,857.85 = 143,439,915.45 : x
  2. Step 2: Convert to fraction form
    342,746,432.94/513,760,857.85 = 143,439,915.45/x
  3. Step 3: Cross multiply
    342,746,432.94x = 513,760,857.85 × 143,439,915.45
  4. Step 4: Simplify right side
    342,746,432.94x = 73,693,814,010,806,272
  5. Step 5: Solve for x
    x = 73,693,814,010,806,272/342,746,432.94
  6. Step 6: Final answer
    x = 215,009,718.35

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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.