Home / 282,955,937.31-390,475,193.87-159,196,319.19

Finding the Fourth Proportional to 282,955,937.31, 390,475,193.87 and 159,196,319.19

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Solution

The fourth proportional to 282,955,937.31, 390,475,193.87 and 159,196,319.19 is: 219,688,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,937.31 : 390,475,193.87 = 159,196,319.19 : x
  2. Step 2: Convert to fraction form
    282,955,937.31/390,475,193.87 = 159,196,319.19/x
  3. Step 3: Cross multiply
    282,955,937.31x = 390,475,193.87 × 159,196,319.19
  4. Step 4: Simplify right side
    282,955,937.31x = 62,162,213,599,503,640
  5. Step 5: Solve for x
    x = 62,162,213,599,503,640/282,955,937.31
  6. Step 6: Final answer
    x = 219,688,670.22

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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.