Home / 122,079,454.98-168,427,981.85-75,652,769.22

Finding the Fourth Proportional to 122,079,454.98, 168,427,981.85 and 75,652,769.22

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Solution

The fourth proportional to 122,079,454.98, 168,427,981.85 and 75,652,769.22 is: 104,375,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079,454.98 : 168,427,981.85 = 75,652,769.22 : x
  2. Step 2: Convert to fraction form
    122,079,454.98/168,427,981.85 = 75,652,769.22/x
  3. Step 3: Cross multiply
    122,079,454.98x = 168,427,981.85 × 75,652,769.22
  4. Step 4: Simplify right side
    122,079,454.98x = 12,742,043,240,710,134
  5. Step 5: Solve for x
    x = 12,742,043,240,710,134/122,079,454.98
  6. Step 6: Final answer
    x = 104,375,001.04

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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.