Home / 54,911,877.13-75,778,181.42-30,132,478.65

Finding the Fourth Proportional to 54,911,877.13, 75,778,181.42 and 30,132,478.65

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Solution

The fourth proportional to 54,911,877.13, 75,778,181.42 and 30,132,478.65 is: 41,582,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911,877.13 : 75,778,181.42 = 30,132,478.65 : x
  2. Step 2: Convert to fraction form
    54,911,877.13/75,778,181.42 = 30,132,478.65/x
  3. Step 3: Cross multiply
    54,911,877.13x = 75,778,181.42 × 30,132,478.65
  4. Step 4: Simplify right side
    54,911,877.13x = 2,283,384,433,896,621.50
  5. Step 5: Solve for x
    x = 2,283,384,433,896,621.50/54,911,877.13
  6. Step 6: Final answer
    x = 41,582,705.84

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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.