Home / 137,239,100.19-189,390,186.59-75,363,358.95

Finding the Fourth Proportional to 137,239,100.19, 189,390,186.59 and 75,363,358.95

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Solution

The fourth proportional to 137,239,100.19, 189,390,186.59 and 75,363,358.95 is: 104,001,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,239,100.19 : 189,390,186.59 = 75,363,358.95 : x
  2. Step 2: Convert to fraction form
    137,239,100.19/189,390,186.59 = 75,363,358.95/x
  3. Step 3: Cross multiply
    137,239,100.19x = 189,390,186.59 × 75,363,358.95
  4. Step 4: Simplify right side
    137,239,100.19x = 14,273,080,613,212,830
  5. Step 5: Solve for x
    x = 14,273,080,613,212,830/137,239,100.19
  6. Step 6: Final answer
    x = 104,001,560.73

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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.