Home / 135,341,860.53-186,766,934.91-76,603,264.47

Finding the Fourth Proportional to 135,341,860.53, 186,766,934.91 and 76,603,264.47

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Solution

The fourth proportional to 135,341,860.53, 186,766,934.91 and 76,603,264.47 is: 105,709,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,860.53 : 186,766,934.91 = 76,603,264.47 : x
  2. Step 2: Convert to fraction form
    135,341,860.53/186,766,934.91 = 76,603,264.47/x
  3. Step 3: Cross multiply
    135,341,860.53x = 186,766,934.91 × 76,603,264.47
  4. Step 4: Simplify right side
    135,341,860.53x = 14,306,956,909,162,006
  5. Step 5: Solve for x
    x = 14,306,956,909,162,006/135,341,860.53
  6. Step 6: Final answer
    x = 105,709,769.71

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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.