Home / 127,155,885.35-175,425,044.36-73,475,076.11

Finding the Fourth Proportional to 127,155,885.35, 175,425,044.36 and 73,475,076.11

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Solution

The fourth proportional to 127,155,885.35, 175,425,044.36 and 73,475,076.11 is: 101,366,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,155,885.35 : 175,425,044.36 = 73,475,076.11 : x
  2. Step 2: Convert to fraction form
    127,155,885.35/175,425,044.36 = 73,475,076.11/x
  3. Step 3: Cross multiply
    127,155,885.35x = 175,425,044.36 × 73,475,076.11
  4. Step 4: Simplify right side
    127,155,885.35x = 12,889,368,484,706,626
  5. Step 5: Solve for x
    x = 12,889,368,484,706,626/127,155,885.35
  6. Step 6: Final answer
    x = 101,366,668.56

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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.