Home / 104,574,427.33-156,558,726.55-78,775,381.79

Finding the Fourth Proportional to 104,574,427.33, 156,558,726.55 and 78,775,381.79

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Solution

The fourth proportional to 104,574,427.33, 156,558,726.55 and 78,775,381.79 is: 117,934,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,574,427.33 : 156,558,726.55 = 78,775,381.79 : x
  2. Step 2: Convert to fraction form
    104,574,427.33/156,558,726.55 = 78,775,381.79/x
  3. Step 3: Cross multiply
    104,574,427.33x = 156,558,726.55 × 78,775,381.79
  4. Step 4: Simplify right side
    104,574,427.33x = 12,332,973,456,819,214
  5. Step 5: Solve for x
    x = 12,332,973,456,819,214/104,574,427.33
  6. Step 6: Final answer
    x = 117,934,888.78

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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.