Home / 243,055,107.92-335,386,347.72-193,621,365.20

Finding the Fourth Proportional to 243,055,107.92, 335,386,347.72 and 193,621,365.20

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Solution

The fourth proportional to 243,055,107.92, 335,386,347.72 and 193,621,365.20 is: 267,173,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,055,107.92 : 335,386,347.72 = 193,621,365.20 : x
  2. Step 2: Convert to fraction form
    243,055,107.92/335,386,347.72 = 193,621,365.20/x
  3. Step 3: Cross multiply
    243,055,107.92x = 335,386,347.72 × 193,621,365.20
  4. Step 4: Simplify right side
    243,055,107.92x = 64,937,962,514,988,312
  5. Step 5: Solve for x
    x = 64,937,962,514,988,312/243,055,107.92
  6. Step 6: Final answer
    x = 267,173,823.54

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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.