Home / 91,397,656.71-126,128,766.24-52,240,274.19

Finding the Fourth Proportional to 91,397,656.71, 126,128,766.24 and 52,240,274.19

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Solution

The fourth proportional to 91,397,656.71, 126,128,766.24 and 52,240,274.19 is: 72,091,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,656.71 : 126,128,766.24 = 52,240,274.19 : x
  2. Step 2: Convert to fraction form
    91,397,656.71/126,128,766.24 = 52,240,274.19/x
  3. Step 3: Cross multiply
    91,397,656.71x = 126,128,766.24 × 52,240,274.19
  4. Step 4: Simplify right side
    91,397,656.71x = 6,589,001,331,624,015
  5. Step 5: Solve for x
    x = 6,589,001,331,624,015/91,397,656.71
  6. Step 6: Final answer
    x = 72,091,578.37

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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.