Home / 113,789,774.28-157,030,367.24-61,578,812.48

Finding the Fourth Proportional to 113,789,774.28, 157,030,367.24 and 61,578,812.48

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Solution

The fourth proportional to 113,789,774.28, 157,030,367.24 and 61,578,812.48 is: 84,979,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,774.28 : 157,030,367.24 = 61,578,812.48 : x
  2. Step 2: Convert to fraction form
    113,789,774.28/157,030,367.24 = 61,578,812.48/x
  3. Step 3: Cross multiply
    113,789,774.28x = 157,030,367.24 × 61,578,812.48
  4. Step 4: Simplify right side
    113,789,774.28x = 9,669,743,537,937,496
  5. Step 5: Solve for x
    x = 9,669,743,537,937,496/113,789,774.28
  6. Step 6: Final answer
    x = 84,979,020.30

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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.