Home / 78,701,743.71-108,608,551.26-43,896,677.55

Finding the Fourth Proportional to 78,701,743.71, 108,608,551.26 and 43,896,677.55

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Solution

The fourth proportional to 78,701,743.71, 108,608,551.26 and 43,896,677.55 is: 60,577,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701,743.71 : 108,608,551.26 = 43,896,677.55 : x
  2. Step 2: Convert to fraction form
    78,701,743.71/108,608,551.26 = 43,896,677.55/x
  3. Step 3: Cross multiply
    78,701,743.71x = 108,608,551.26 × 43,896,677.55
  4. Step 4: Simplify right side
    78,701,743.71x = 4,767,554,553,832,866
  5. Step 5: Solve for x
    x = 4,767,554,553,832,866/78,701,743.71
  6. Step 6: Final answer
    x = 60,577,495.86

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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.