Home / 265,889,568.80-366,988,826.98-155,916,711.20

Finding the Fourth Proportional to 265,889,568.80, 366,988,826.98 and 155,916,711.20

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Solution

The fourth proportional to 265,889,568.80, 366,988,826.98 and 155,916,711.20 is: 215,200,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,889,568.80 : 366,988,826.98 = 155,916,711.20 : x
  2. Step 2: Convert to fraction form
    265,889,568.80/366,988,826.98 = 155,916,711.20/x
  3. Step 3: Cross multiply
    265,889,568.80x = 366,988,826.98 × 155,916,711.20
  4. Step 4: Simplify right side
    265,889,568.80x = 57,219,690,949,867,424
  5. Step 5: Solve for x
    x = 57,219,690,949,867,424/265,889,568.80
  6. Step 6: Final answer
    x = 215,200,961.84

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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.