Home / 78,953,275.68-108,948,208.47-43,670,321.43

Finding the Fourth Proportional to 78,953,275.68, 108,948,208.47 and 43,670,321.43

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Solution

The fourth proportional to 78,953,275.68, 108,948,208.47 and 43,670,321.43 is: 60,260,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,953,275.68 : 108,948,208.47 = 43,670,321.43 : x
  2. Step 2: Convert to fraction form
    78,953,275.68/108,948,208.47 = 43,670,321.43/x
  3. Step 3: Cross multiply
    78,953,275.68x = 108,948,208.47 × 43,670,321.43
  4. Step 4: Simplify right side
    78,953,275.68x = 4,757,803,283,107,548
  5. Step 5: Solve for x
    x = 4,757,803,283,107,548/78,953,275.68
  6. Step 6: Final answer
    x = 60,260,999.21

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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.