Home / 78,732,034.74-108,650,047.55-43,922,649.24

Finding the Fourth Proportional to 78,732,034.74, 108,650,047.55 and 43,922,649.24

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Solution

The fourth proportional to 78,732,034.74, 108,650,047.55 and 43,922,649.24 is: 60,613,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,034.74 : 108,650,047.55 = 43,922,649.24 : x
  2. Step 2: Convert to fraction form
    78,732,034.74/108,650,047.55 = 43,922,649.24/x
  3. Step 3: Cross multiply
    78,732,034.74x = 108,650,047.55 × 43,922,649.24
  4. Step 4: Simplify right side
    78,732,034.74x = 4,772,197,928,228,358
  5. Step 5: Solve for x
    x = 4,772,197,928,228,358/78,732,034.74
  6. Step 6: Final answer
    x = 60,613,166.47

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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.