Home / 320,928,101.20-442,882,547.40-174,250,385.20

Finding the Fourth Proportional to 320,928,101.20, 442,882,547.40 and 174,250,385.20

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Solution

The fourth proportional to 320,928,101.20, 442,882,547.40 and 174,250,385.20 is: 240,466,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,928,101.20 : 442,882,547.40 = 174,250,385.20 : x
  2. Step 2: Convert to fraction form
    320,928,101.20/442,882,547.40 = 174,250,385.20/x
  3. Step 3: Cross multiply
    320,928,101.20x = 442,882,547.40 × 174,250,385.20
  4. Step 4: Simplify right side
    320,928,101.20x = 77,172,454,482,807,248
  5. Step 5: Solve for x
    x = 77,172,454,482,807,248/320,928,101.20
  6. Step 6: Final answer
    x = 240,466,491.39

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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.