Home / 135,341,932.77-186,767,034.35-76,603,336.38

Finding the Fourth Proportional to 135,341,932.77, 186,767,034.35 and 76,603,336.38

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Solution

The fourth proportional to 135,341,932.77, 186,767,034.35 and 76,603,336.38 is: 105,709,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,932.77 : 186,767,034.35 = 76,603,336.38 : x
  2. Step 2: Convert to fraction form
    135,341,932.77/186,767,034.35 = 76,603,336.38/x
  3. Step 3: Cross multiply
    135,341,932.77x = 186,767,034.35 × 76,603,336.38
  4. Step 4: Simplify right side
    135,341,932.77x = 14,306,977,956,625,046
  5. Step 5: Solve for x
    x = 14,306,977,956,625,046/135,341,932.77
  6. Step 6: Final answer
    x = 105,709,868.80

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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.