Home / 137,459,717.72-189,689,308.86-75,576,374.36

Finding the Fourth Proportional to 137,459,717.72, 189,689,308.86 and 75,576,374.36

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Solution

The fourth proportional to 137,459,717.72, 189,689,308.86 and 75,576,374.36 is: 104,292,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,459,717.72 : 189,689,308.86 = 75,576,374.36 : x
  2. Step 2: Convert to fraction form
    137,459,717.72/189,689,308.86 = 75,576,374.36/x
  3. Step 3: Cross multiply
    137,459,717.72x = 189,689,308.86 × 75,576,374.36
  4. Step 4: Simplify right side
    137,459,717.72x = 14,336,030,218,493,026
  5. Step 5: Solve for x
    x = 14,336,030,218,493,026/137,459,717.72
  6. Step 6: Final answer
    x = 104,292,591.72

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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.