Home / 282,123,568.55-389,319,858.46-156,683,844.83

Finding the Fourth Proportional to 282,123,568.55, 389,319,858.46 and 156,683,844.83

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Solution

The fourth proportional to 282,123,568.55, 389,319,858.46 and 156,683,844.83 is: 216,217,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,123,568.55 : 389,319,858.46 = 156,683,844.83 : x
  2. Step 2: Convert to fraction form
    282,123,568.55/389,319,858.46 = 156,683,844.83/x
  3. Step 3: Cross multiply
    282,123,568.55x = 389,319,858.46 × 156,683,844.83
  4. Step 4: Simplify right side
    282,123,568.55x = 61,000,132,289,454,176
  5. Step 5: Solve for x
    x = 61,000,132,289,454,176/282,123,568.55
  6. Step 6: Final answer
    x = 216,217,782.17

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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.