Home / 101,141,425.12-139,575,534.24-54,731,673.76

Finding the Fourth Proportional to 101,141,425.12, 139,575,534.24 and 54,731,673.76

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Solution

The fourth proportional to 101,141,425.12, 139,575,534.24 and 54,731,673.76 is: 75,529,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,141,425.12 : 139,575,534.24 = 54,731,673.76 : x
  2. Step 2: Convert to fraction form
    101,141,425.12/139,575,534.24 = 54,731,673.76/x
  3. Step 3: Cross multiply
    101,141,425.12x = 139,575,534.24 × 54,731,673.76
  4. Step 4: Simplify right side
    101,141,425.12x = 7,639,202,604,901,390
  5. Step 5: Solve for x
    x = 7,639,202,604,901,390/101,141,425.12
  6. Step 6: Final answer
    x = 75,529,908.70

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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.