Home / 77,037,839.28-115,484,422.70-25,884,084.24

Finding the Fourth Proportional to 77,037,839.28, 115,484,422.70 and 25,884,084.24

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Solution

The fourth proportional to 77,037,839.28, 115,484,422.70 and 25,884,084.24 is: 38,801,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037,839.28 : 115,484,422.70 = 25,884,084.24 : x
  2. Step 2: Convert to fraction form
    77,037,839.28/115,484,422.70 = 25,884,084.24/x
  3. Step 3: Cross multiply
    77,037,839.28x = 115,484,422.70 × 25,884,084.24
  4. Step 4: Simplify right side
    77,037,839.28x = 2,989,208,525,574,568
  5. Step 5: Solve for x
    x = 2,989,208,525,574,568/77,037,839.28
  6. Step 6: Final answer
    x = 38,801,821.98

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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.