Home / 53,864,478.29-74,333,452.12-30,661,097.20

Finding the Fourth Proportional to 53,864,478.29, 74,333,452.12 and 30,661,097.20

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Solution

The fourth proportional to 53,864,478.29, 74,333,452.12 and 30,661,097.20 is: 42,312,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864,478.29 : 74,333,452.12 = 30,661,097.20 : x
  2. Step 2: Convert to fraction form
    53,864,478.29/74,333,452.12 = 30,661,097.20/x
  3. Step 3: Cross multiply
    53,864,478.29x = 74,333,452.12 × 30,661,097.20
  4. Step 4: Simplify right side
    53,864,478.29x = 2,279,145,200,400,380
  5. Step 5: Solve for x
    x = 2,279,145,200,400,380/53,864,478.29
  6. Step 6: Final answer
    x = 42,312,582.85

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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.