Home / 135,341,849.04-186,766,919.15-76,603,253.02

Finding the Fourth Proportional to 135,341,849.04, 186,766,919.15 and 76,603,253.02

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Solution

The fourth proportional to 135,341,849.04, 186,766,919.15 and 76,603,253.02 is: 105,709,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,849.04 : 186,766,919.15 = 76,603,253.02 : x
  2. Step 2: Convert to fraction form
    135,341,849.04/186,766,919.15 = 76,603,253.02/x
  3. Step 3: Cross multiply
    135,341,849.04x = 186,766,919.15 × 76,603,253.02
  4. Step 4: Simplify right side
    135,341,849.04x = 14,306,953,564,044,474
  5. Step 5: Solve for x
    x = 14,306,953,564,044,474/135,341,849.04
  6. Step 6: Final answer
    x = 105,709,753.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.