Home / 87,771,033.47-121,078,104.72-54,269,803.47

Finding the Fourth Proportional to 87,771,033.47, 121,078,104.72 and 54,269,803.47

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Solution

The fourth proportional to 87,771,033.47, 121,078,104.72 and 54,269,803.47 is: 74,863,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,771,033.47 : 121,078,104.72 = 54,269,803.47 : x
  2. Step 2: Convert to fraction form
    87,771,033.47/121,078,104.72 = 54,269,803.47/x
  3. Step 3: Cross multiply
    87,771,033.47x = 121,078,104.72 × 54,269,803.47
  4. Step 4: Simplify right side
    87,771,033.47x = 6,570,884,947,925,011
  5. Step 5: Solve for x
    x = 6,570,884,947,925,011/87,771,033.47
  6. Step 6: Final answer
    x = 74,863,935.04

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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.