Home / 81,432,000.90-122,148,001.35-73,369,844.10

Finding the Fourth Proportional to 81,432,000.90, 122,148,001.35 and 73,369,844.10

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Solution

The fourth proportional to 81,432,000.90, 122,148,001.35 and 73,369,844.10 is: 110,054,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432,000.90 : 122,148,001.35 = 73,369,844.10 : x
  2. Step 2: Convert to fraction form
    81,432,000.90/122,148,001.35 = 73,369,844.10/x
  3. Step 3: Cross multiply
    81,432,000.90x = 122,148,001.35 × 73,369,844.10
  4. Step 4: Simplify right side
    81,432,000.90x = 8,961,979,816,176,088
  5. Step 5: Solve for x
    x = 8,961,979,816,176,088/81,432,000.90
  6. Step 6: Final answer
    x = 110,054,766.15

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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.