Home / 243,387,345.08-335,990,353.79-163,057,655.32

Finding the Fourth Proportional to 243,387,345.08, 335,990,353.79 and 163,057,655.32

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Solution

The fourth proportional to 243,387,345.08, 335,990,353.79 and 163,057,655.32 is: 225,097,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,387,345.08 : 335,990,353.79 = 163,057,655.32 : x
  2. Step 2: Convert to fraction form
    243,387,345.08/335,990,353.79 = 163,057,655.32/x
  3. Step 3: Cross multiply
    243,387,345.08x = 335,990,353.79 × 163,057,655.32
  4. Step 4: Simplify right side
    243,387,345.08x = 54,785,799,298,702,344
  5. Step 5: Solve for x
    x = 54,785,799,298,702,344/243,387,345.08
  6. Step 6: Final answer
    x = 225,097,156.47

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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.