Home / 113,680,320.75-156,878,732.07-61,469,231.40

Finding the Fourth Proportional to 113,680,320.75, 156,878,732.07 and 61,469,231.40

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Solution

The fourth proportional to 113,680,320.75, 156,878,732.07 and 61,469,231.40 is: 84,827,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,680,320.75 : 156,878,732.07 = 61,469,231.40 : x
  2. Step 2: Convert to fraction form
    113,680,320.75/156,878,732.07 = 61,469,231.40/x
  3. Step 3: Cross multiply
    113,680,320.75x = 156,878,732.07 × 61,469,231.40
  4. Step 4: Simplify right side
    113,680,320.75x = 9,643,215,083,349,430
  5. Step 5: Solve for x
    x = 9,643,215,083,349,430/113,680,320.75
  6. Step 6: Final answer
    x = 84,827,479.55

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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.