Home / 75,528,127.74-113,398,184.16-38,666,346.42

Finding the Fourth Proportional to 75,528,127.74, 113,398,184.16 and 38,666,346.42

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Solution

The fourth proportional to 75,528,127.74, 113,398,184.16 and 38,666,346.42 is: 58,053,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528,127.74 : 113,398,184.16 = 38,666,346.42 : x
  2. Step 2: Convert to fraction form
    75,528,127.74/113,398,184.16 = 38,666,346.42/x
  3. Step 3: Cross multiply
    75,528,127.74x = 113,398,184.16 × 38,666,346.42
  4. Step 4: Simplify right side
    75,528,127.74x = 4,384,693,472,129,517
  5. Step 5: Solve for x
    x = 4,384,693,472,129,517/75,528,127.74
  6. Step 6: Final answer
    x = 58,053,782.13

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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.