Home / 191,621,791.13-264,438,306.86-103,515,787.08

Finding the Fourth Proportional to 191,621,791.13, 264,438,306.86 and 103,515,787.08

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Solution

The fourth proportional to 191,621,791.13, 264,438,306.86 and 103,515,787.08 is: 142,851,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,621,791.13 : 264,438,306.86 = 103,515,787.08 : x
  2. Step 2: Convert to fraction form
    191,621,791.13/264,438,306.86 = 103,515,787.08/x
  3. Step 3: Cross multiply
    191,621,791.13x = 264,438,306.86 × 103,515,787.08
  4. Step 4: Simplify right side
    191,621,791.13x = 27,373,539,468,197,884
  5. Step 5: Solve for x
    x = 27,373,539,468,197,884/191,621,791.13
  6. Step 6: Final answer
    x = 142,851,913.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.