Home / 83,547,742.87-125,293,233.25-28,947,584.71

Finding the Fourth Proportional to 83,547,742.87, 125,293,233.25 and 28,947,584.71

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Solution

The fourth proportional to 83,547,742.87, 125,293,233.25 and 28,947,584.71 is: 43,411,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,547,742.87 : 125,293,233.25 = 28,947,584.71 : x
  2. Step 2: Convert to fraction form
    83,547,742.87/125,293,233.25 = 28,947,584.71/x
  3. Step 3: Cross multiply
    83,547,742.87x = 125,293,233.25 × 28,947,584.71
  4. Step 4: Simplify right side
    83,547,742.87x = 3,626,936,483,094,163.50
  5. Step 5: Solve for x
    x = 3,626,936,483,094,163.50/83,547,742.87
  6. Step 6: Final answer
    x = 43,411,543.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.