Home / 91,901,037.04-126,827,930.24-51,679,693.80

Finding the Fourth Proportional to 91,901,037.04, 126,827,930.24 and 51,679,693.80

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Solution

The fourth proportional to 91,901,037.04, 126,827,930.24 and 51,679,693.80 is: 71,320,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,901,037.04 : 126,827,930.24 = 51,679,693.80 : x
  2. Step 2: Convert to fraction form
    91,901,037.04/126,827,930.24 = 51,679,693.80/x
  3. Step 3: Cross multiply
    91,901,037.04x = 126,827,930.24 × 51,679,693.80
  4. Step 4: Simplify right side
    91,901,037.04x = 6,554,428,600,090,960
  5. Step 5: Solve for x
    x = 6,554,428,600,090,960/91,901,037.04
  6. Step 6: Final answer
    x = 71,320,507.49

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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.