Home / 243,248,245.61-364,919,312.38-79,441,964.74

Finding the Fourth Proportional to 243,248,245.61, 364,919,312.38 and 79,441,964.74

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Solution

The fourth proportional to 243,248,245.61, 364,919,312.38 and 79,441,964.74 is: 119,178,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,248,245.61 : 364,919,312.38 = 79,441,964.74 : x
  2. Step 2: Convert to fraction form
    243,248,245.61/364,919,312.38 = 79,441,964.74/x
  3. Step 3: Cross multiply
    243,248,245.61x = 364,919,312.38 × 79,441,964.74
  4. Step 4: Simplify right side
    243,248,245.61x = 28,989,907,146,639,792
  5. Step 5: Solve for x
    x = 28,989,907,146,639,792/243,248,245.61
  6. Step 6: Final answer
    x = 119,178,278.45

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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.