Home / 79,751,397.76-119,662,263.68-76,307,601.76

Finding the Fourth Proportional to 79,751,397.76, 119,662,263.68 and 76,307,601.76

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Solution

The fourth proportional to 79,751,397.76, 119,662,263.68 and 76,307,601.76 is: 114,495,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751,397.76 : 119,662,263.68 = 76,307,601.76 : x
  2. Step 2: Convert to fraction form
    79,751,397.76/119,662,263.68 = 76,307,601.76/x
  3. Step 3: Cross multiply
    79,751,397.76x = 119,662,263.68 × 76,307,601.76
  4. Step 4: Simplify right side
    79,751,397.76x = 9,131,140,362,593,554
  5. Step 5: Solve for x
    x = 9,131,140,362,593,554/79,751,397.76
  6. Step 6: Final answer
    x = 114,495,051.11

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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.