Home / 243,219,359.29-335,643,039.58-131,710,392.53

Finding the Fourth Proportional to 243,219,359.29, 335,643,039.58 and 131,710,392.53

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Solution

The fourth proportional to 243,219,359.29, 335,643,039.58 and 131,710,392.53 is: 181,760,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,219,359.29 : 335,643,039.58 = 131,710,392.53 : x
  2. Step 2: Convert to fraction form
    243,219,359.29/335,643,039.58 = 131,710,392.53/x
  3. Step 3: Cross multiply
    243,219,359.29x = 335,643,039.58 × 131,710,392.53
  4. Step 4: Simplify right side
    243,219,359.29x = 44,207,676,493,044,128
  5. Step 5: Solve for x
    x = 44,207,676,493,044,128/243,219,359.29
  6. Step 6: Final answer
    x = 181,760,517.02

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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.