Home / 89,102,962.08-122,955,899.75-49,412,540.22

Finding the Fourth Proportional to 89,102,962.08, 122,955,899.75 and 49,412,540.22

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Solution

The fourth proportional to 89,102,962.08, 122,955,899.75 and 49,412,540.22 is: 68,185,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102,962.08 : 122,955,899.75 = 49,412,540.22 : x
  2. Step 2: Convert to fraction form
    89,102,962.08/122,955,899.75 = 49,412,540.22/x
  3. Step 3: Cross multiply
    89,102,962.08x = 122,955,899.75 × 49,412,540.22
  4. Step 4: Simplify right side
    89,102,962.08x = 6,075,563,341,806,694
  5. Step 5: Solve for x
    x = 6,075,563,341,806,694/89,102,962.08
  6. Step 6: Final answer
    x = 68,185,873.96

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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.