Home / 71,427,631.07-98,569,724.38-39,637,482.44

Finding the Fourth Proportional to 71,427,631.07, 98,569,724.38 and 39,637,482.44

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Solution

The fourth proportional to 71,427,631.07, 98,569,724.38 and 39,637,482.44 is: 54,699,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427,631.07 : 98,569,724.38 = 39,637,482.44 : x
  2. Step 2: Convert to fraction form
    71,427,631.07/98,569,724.38 = 39,637,482.44/x
  3. Step 3: Cross multiply
    71,427,631.07x = 98,569,724.38 × 39,637,482.44
  4. Step 4: Simplify right side
    71,427,631.07x = 3,907,055,718,635,947.50
  5. Step 5: Solve for x
    x = 3,907,055,718,635,947.50/71,427,631.07
  6. Step 6: Final answer
    x = 54,699,500.18

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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.