Home / 282,955,937.95-390,475,194.72-159,196,319.83

Finding the Fourth Proportional to 282,955,937.95, 390,475,194.72 and 159,196,319.83

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Solution

The fourth proportional to 282,955,937.95, 390,475,194.72 and 159,196,319.83 is: 219,688,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,937.95 : 390,475,194.72 = 159,196,319.83 : x
  2. Step 2: Convert to fraction form
    282,955,937.95/390,475,194.72 = 159,196,319.83/x
  3. Step 3: Cross multiply
    282,955,937.95x = 390,475,194.72 × 159,196,319.83
  4. Step 4: Simplify right side
    282,955,937.95x = 62,162,213,984,326,656
  5. Step 5: Solve for x
    x = 62,162,213,984,326,656/282,955,937.95
  6. Step 6: Final answer
    x = 219,688,671.09

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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.