Home / 243,163,886.80-335,565,720.16-131,654,713.94

Finding the Fourth Proportional to 243,163,886.80, 335,565,720.16 and 131,654,713.94

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Solution

The fourth proportional to 243,163,886.80, 335,565,720.16 and 131,654,713.94 is: 181,683,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,163,886.80 : 335,565,720.16 = 131,654,713.94 : x
  2. Step 2: Convert to fraction form
    243,163,886.80/335,565,720.16 = 131,654,713.94/x
  3. Step 3: Cross multiply
    243,163,886.80x = 335,565,720.16 × 131,654,713.94
  4. Step 4: Simplify right side
    243,163,886.80x = 44,178,808,895,734,896
  5. Step 5: Solve for x
    x = 44,178,808,895,734,896/243,163,886.80
  6. Step 6: Final answer
    x = 181,683,265.05

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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.