Home / 253,411,346.88-349,707,661.68-137,517,842.88

Finding the Fourth Proportional to 253,411,346.88, 349,707,661.68 and 137,517,842.88

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Solution

The fourth proportional to 253,411,346.88, 349,707,661.68 and 137,517,842.88 is: 189,774,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,411,346.88 : 349,707,661.68 = 137,517,842.88 : x
  2. Step 2: Convert to fraction form
    253,411,346.88/349,707,661.68 = 137,517,842.88/x
  3. Step 3: Cross multiply
    253,411,346.88x = 349,707,661.68 × 137,517,842.88
  4. Step 4: Simplify right side
    253,411,346.88x = 48,091,043,272,842,440
  5. Step 5: Solve for x
    x = 48,091,043,272,842,440/253,411,346.88
  6. Step 6: Final answer
    x = 189,774,624.79

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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.