Home / 112,913,576.43-155,823,421.74-63,357,616.47

Finding the Fourth Proportional to 112,913,576.43, 155,823,421.74 and 63,357,616.47

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Solution

The fourth proportional to 112,913,576.43, 155,823,421.74 and 63,357,616.47 is: 87,435,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,913,576.43 : 155,823,421.74 = 63,357,616.47 : x
  2. Step 2: Convert to fraction form
    112,913,576.43/155,823,421.74 = 63,357,616.47/x
  3. Step 3: Cross multiply
    112,913,576.43x = 155,823,421.74 × 63,357,616.47
  4. Step 4: Simplify right side
    112,913,576.43x = 9,872,600,591,645,980
  5. Step 5: Solve for x
    x = 9,872,600,591,645,980/112,913,576.43
  6. Step 6: Final answer
    x = 87,435,018.04

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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.