Home / 282,955,943.82-390,475,202.84-159,196,325.70

Finding the Fourth Proportional to 282,955,943.82, 390,475,202.84 and 159,196,325.70

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Solution

The fourth proportional to 282,955,943.82, 390,475,202.84 and 159,196,325.70 is: 219,688,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,943.82 : 390,475,202.84 = 159,196,325.70 : x
  2. Step 2: Convert to fraction form
    282,955,943.82/390,475,202.84 = 159,196,325.70/x
  3. Step 3: Cross multiply
    282,955,943.82x = 390,475,202.84 × 159,196,325.70
  4. Step 4: Simplify right side
    282,955,943.82x = 62,162,217,569,090,200
  5. Step 5: Solve for x
    x = 62,162,217,569,090,200/282,955,943.82
  6. Step 6: Final answer
    x = 219,688,679.20

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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.