Home / 276,299,882.59-381,465,916.05-175,884,977.53

Finding the Fourth Proportional to 276,299,882.59, 381,465,916.05 and 175,884,977.53

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Solution

The fourth proportional to 276,299,882.59, 381,465,916.05 and 175,884,977.53 is: 242,830,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,299,882.59 : 381,465,916.05 = 175,884,977.53 : x
  2. Step 2: Convert to fraction form
    276,299,882.59/381,465,916.05 = 175,884,977.53/x
  3. Step 3: Cross multiply
    276,299,882.59x = 381,465,916.05 × 175,884,977.53
  4. Step 4: Simplify right side
    276,299,882.59x = 67,094,124,072,915,120
  5. Step 5: Solve for x
    x = 67,094,124,072,915,120/276,299,882.59
  6. Step 6: Final answer
    x = 242,830,809.21

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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.