Home / 243,874,768.11-336,547,549.52-132,365,649.62

Finding the Fourth Proportional to 243,874,768.11, 336,547,549.52 and 132,365,649.62

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Solution

The fourth proportional to 243,874,768.11, 336,547,549.52 and 132,365,649.62 is: 182,664,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,874,768.11 : 336,547,549.52 = 132,365,649.62 : x
  2. Step 2: Convert to fraction form
    243,874,768.11/336,547,549.52 = 132,365,649.62/x
  3. Step 3: Cross multiply
    243,874,768.11x = 336,547,549.52 × 132,365,649.62
  4. Step 4: Simplify right side
    243,874,768.11x = 44,547,335,020,909,832
  5. Step 5: Solve for x
    x = 44,547,335,020,909,832/243,874,768.11
  6. Step 6: Final answer
    x = 182,664,797.05

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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.