Home / 282,955,943.98-390,475,202.97-159,196,325.86

Finding the Fourth Proportional to 282,955,943.98, 390,475,202.97 and 159,196,325.86

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Solution

The fourth proportional to 282,955,943.98, 390,475,202.97 and 159,196,325.86 is: 219,688,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,943.98 : 390,475,202.97 = 159,196,325.86 : x
  2. Step 2: Convert to fraction form
    282,955,943.98/390,475,202.97 = 159,196,325.86/x
  3. Step 3: Cross multiply
    282,955,943.98x = 390,475,202.97 × 159,196,325.86
  4. Step 4: Simplify right side
    282,955,943.98x = 62,162,217,652,261,768
  5. Step 5: Solve for x
    x = 62,162,217,652,261,768/282,955,943.98
  6. Step 6: Final answer
    x = 219,688,679.37

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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.