Home / 54,432,069.12-81,652,089.48-21,655,445.40

Finding the Fourth Proportional to 54,432,069.12, 81,652,089.48 and 21,655,445.40

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Solution

The fourth proportional to 54,432,069.12, 81,652,089.48 and 21,655,445.40 is: 32,484,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,069.12 : 81,652,089.48 = 21,655,445.40 : x
  2. Step 2: Convert to fraction form
    54,432,069.12/81,652,089.48 = 21,655,445.40/x
  3. Step 3: Cross multiply
    54,432,069.12x = 81,652,089.48 × 21,655,445.40
  4. Step 4: Simplify right side
    54,432,069.12x = 1,768,212,365,530,054.25
  5. Step 5: Solve for x
    x = 1,768,212,365,530,054.25/54,432,069.12
  6. Step 6: Final answer
    x = 32,484,753.82

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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.