Home / 142,664,264.04-213,928,937.15-55,266,715.66

Finding the Fourth Proportional to 142,664,264.04, 213,928,937.15 and 55,266,715.66

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Solution

The fourth proportional to 142,664,264.04, 213,928,937.15 and 55,266,715.66 is: 82,873,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664,264.04 : 213,928,937.15 = 55,266,715.66 : x
  2. Step 2: Convert to fraction form
    142,664,264.04/213,928,937.15 = 55,266,715.66/x
  3. Step 3: Cross multiply
    142,664,264.04x = 213,928,937.15 × 55,266,715.66
  4. Step 4: Simplify right side
    142,664,264.04x = 11,823,149,739,845,416
  5. Step 5: Solve for x
    x = 11,823,149,739,845,416/142,664,264.04
  6. Step 6: Final answer
    x = 82,873,940.57

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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.