Home / 136,852,581.36-205,309,509.40-45,973,691.76

Finding the Fourth Proportional to 136,852,581.36, 205,309,509.40 and 45,973,691.76

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Solution

The fourth proportional to 136,852,581.36, 205,309,509.40 and 45,973,691.76 is: 68,970,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,852,581.36 : 205,309,509.40 = 45,973,691.76 : x
  2. Step 2: Convert to fraction form
    136,852,581.36/205,309,509.40 = 45,973,691.76/x
  3. Step 3: Cross multiply
    136,852,581.36x = 205,309,509.40 × 45,973,691.76
  4. Step 4: Simplify right side
    136,852,581.36x = 9,438,836,100,552,422
  5. Step 5: Solve for x
    x = 9,438,836,100,552,422/136,852,581.36
  6. Step 6: Final answer
    x = 68,970,829.83

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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.