Home / 142,252,685.55-213,409,486.62-42,550,158.78

Finding the Fourth Proportional to 142,252,685.55, 213,409,486.62 and 42,550,158.78

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Solution

The fourth proportional to 142,252,685.55, 213,409,486.62 and 42,550,158.78 is: 63,834,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,252,685.55 : 213,409,486.62 = 42,550,158.78 : x
  2. Step 2: Convert to fraction form
    142,252,685.55/213,409,486.62 = 42,550,158.78/x
  3. Step 3: Cross multiply
    142,252,685.55x = 213,409,486.62 × 42,550,158.78
  4. Step 4: Simplify right side
    142,252,685.55x = 9,080,607,540,839,286
  5. Step 5: Solve for x
    x = 9,080,607,540,839,286/142,252,685.55
  6. Step 6: Final answer
    x = 63,834,348.76

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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.