Home / 215,678,734.40-323,518,101.60-94,746,382.40

Finding the Fourth Proportional to 215,678,734.40, 323,518,101.60 and 94,746,382.40

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Solution

The fourth proportional to 215,678,734.40, 323,518,101.60 and 94,746,382.40 is: 142,119,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678,734.40 : 323,518,101.60 = 94,746,382.40 : x
  2. Step 2: Convert to fraction form
    215,678,734.40/323,518,101.60 = 94,746,382.40/x
  3. Step 3: Cross multiply
    215,678,734.40x = 323,518,101.60 × 94,746,382.40
  4. Step 4: Simplify right side
    215,678,734.40x = 30,652,169,767,515,656
  5. Step 5: Solve for x
    x = 30,652,169,767,515,656/215,678,734.40
  6. Step 6: Final answer
    x = 142,119,573.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.