Home / 127,368,818.60-191,016,283.59-49,628,382.53

Finding the Fourth Proportional to 127,368,818.60, 191,016,283.59 and 49,628,382.53

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Solution

The fourth proportional to 127,368,818.60, 191,016,283.59 and 49,628,382.53 is: 74,428,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368,818.60 : 191,016,283.59 = 49,628,382.53 : x
  2. Step 2: Convert to fraction form
    127,368,818.60/191,016,283.59 = 49,628,382.53/x
  3. Step 3: Cross multiply
    127,368,818.60x = 191,016,283.59 × 49,628,382.53
  4. Step 4: Simplify right side
    127,368,818.60x = 9,479,829,190,508,400
  5. Step 5: Solve for x
    x = 9,479,829,190,508,400/127,368,818.60
  6. Step 6: Final answer
    x = 74,428,178.69

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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.