Home / 282,955,938.31-390,475,195.25-159,196,320.19

Finding the Fourth Proportional to 282,955,938.31, 390,475,195.25 and 159,196,320.19

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Solution

The fourth proportional to 282,955,938.31, 390,475,195.25 and 159,196,320.19 is: 219,688,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,938.31 : 390,475,195.25 = 159,196,320.19 : x
  2. Step 2: Convert to fraction form
    282,955,938.31/390,475,195.25 = 159,196,320.19/x
  3. Step 3: Cross multiply
    282,955,938.31x = 390,475,195.25 × 159,196,320.19
  4. Step 4: Simplify right side
    282,955,938.31x = 62,162,214,209,271,768
  5. Step 5: Solve for x
    x = 62,162,214,209,271,768/282,955,938.31
  6. Step 6: Final answer
    x = 219,688,671.60

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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.