Home / 243,975,376.27-365,983,731.56-78,002,809.03

Finding the Fourth Proportional to 243,975,376.27, 365,983,731.56 and 78,002,809.03

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Solution

The fourth proportional to 243,975,376.27, 365,983,731.56 and 78,002,809.03 is: 117,010,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,975,376.27 : 365,983,731.56 = 78,002,809.03 : x
  2. Step 2: Convert to fraction form
    243,975,376.27/365,983,731.56 = 78,002,809.03/x
  3. Step 3: Cross multiply
    243,975,376.27x = 365,983,731.56 × 78,002,809.03
  4. Step 4: Simplify right side
    243,975,376.27x = 28,547,759,120,961,464
  5. Step 5: Solve for x
    x = 28,547,759,120,961,464/243,975,376.27
  6. Step 6: Final answer
    x = 117,010,821.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.