Home / 142,252,685.17-213,409,486.07-42,550,158.41

Finding the Fourth Proportional to 142,252,685.17, 213,409,486.07 and 42,550,158.41

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Solution

The fourth proportional to 142,252,685.17, 213,409,486.07 and 42,550,158.41 is: 63,834,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,252,685.17 : 213,409,486.07 = 42,550,158.41 : x
  2. Step 2: Convert to fraction form
    142,252,685.17/213,409,486.07 = 42,550,158.41/x
  3. Step 3: Cross multiply
    142,252,685.17x = 213,409,486.07 × 42,550,158.41
  4. Step 4: Simplify right side
    142,252,685.17x = 9,080,607,438,155,238
  5. Step 5: Solve for x
    x = 9,080,607,438,155,238/142,252,685.17
  6. Step 6: Final answer
    x = 63,834,348.21

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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.