Home / 72,894,116.98-100,594,062.30-39,856,497.94

Finding the Fourth Proportional to 72,894,116.98, 100,594,062.30 and 39,856,497.94

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Solution

The fourth proportional to 72,894,116.98, 100,594,062.30 and 39,856,497.94 is: 55,002,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894,116.98 : 100,594,062.30 = 39,856,497.94 : x
  2. Step 2: Convert to fraction form
    72,894,116.98/100,594,062.30 = 39,856,497.94/x
  3. Step 3: Cross multiply
    72,894,116.98x = 100,594,062.30 × 39,856,497.94
  4. Step 4: Simplify right side
    72,894,116.98x = 4,009,327,036,836,181.50
  5. Step 5: Solve for x
    x = 4,009,327,036,836,181.50/72,894,116.98
  6. Step 6: Final answer
    x = 55,002,066.05

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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.