Home / 197,641,641.80-272,745,491.54-109,541,327.40

Finding the Fourth Proportional to 197,641,641.80, 272,745,491.54 and 109,541,327.40

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Solution

The fourth proportional to 197,641,641.80, 272,745,491.54 and 109,541,327.40 is: 151,167,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641,641.80 : 272,745,491.54 = 109,541,327.40 : x
  2. Step 2: Convert to fraction form
    197,641,641.80/272,745,491.54 = 109,541,327.40/x
  3. Step 3: Cross multiply
    197,641,641.80x = 272,745,491.54 × 109,541,327.40
  4. Step 4: Simplify right side
    197,641,641.80x = 29,876,903,185,657,076
  5. Step 5: Solve for x
    x = 29,876,903,185,657,076/197,641,641.80
  6. Step 6: Final answer
    x = 151,167,046.14

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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.