Home / 83,866,333.22-115,734,158.08-49,064,919.33

Finding the Fourth Proportional to 83,866,333.22, 115,734,158.08 and 49,064,919.33

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Solution

The fourth proportional to 83,866,333.22, 115,734,158.08 and 49,064,919.33 is: 67,708,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866,333.22 : 115,734,158.08 = 49,064,919.33 : x
  2. Step 2: Convert to fraction form
    83,866,333.22/115,734,158.08 = 49,064,919.33/x
  3. Step 3: Cross multiply
    83,866,333.22x = 115,734,158.08 × 49,064,919.33
  4. Step 4: Simplify right side
    83,866,333.22x = 5,678,487,130,232,009
  5. Step 5: Solve for x
    x = 5,678,487,130,232,009/83,866,333.22
  6. Step 6: Final answer
    x = 67,708,780.30

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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.