Home / 127,368,781.53-191,016,228.09-49,628,345.46

Finding the Fourth Proportional to 127,368,781.53, 191,016,228.09 and 49,628,345.46

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Solution

The fourth proportional to 127,368,781.53, 191,016,228.09 and 49,628,345.46 is: 74,428,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368,781.53 : 191,016,228.09 = 49,628,345.46 : x
  2. Step 2: Convert to fraction form
    127,368,781.53/191,016,228.09 = 49,628,345.46/x
  3. Step 3: Cross multiply
    127,368,781.53x = 191,016,228.09 × 49,628,345.46
  4. Step 4: Simplify right side
    127,368,781.53x = 9,479,819,356,116,676
  5. Step 5: Solve for x
    x = 9,479,819,356,116,676/127,368,781.53
  6. Step 6: Final answer
    x = 74,428,123.14

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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.