Home / 54,293,652.20-81,377,492.70-21,929,551.40

Finding the Fourth Proportional to 54,293,652.20, 81,377,492.70 and 21,929,551.40

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Solution

The fourth proportional to 54,293,652.20, 81,377,492.70 and 21,929,551.40 is: 32,868,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,293,652.20 : 81,377,492.70 = 21,929,551.40 : x
  2. Step 2: Convert to fraction form
    54,293,652.20/81,377,492.70 = 21,929,551.40/x
  3. Step 3: Cross multiply
    54,293,652.20x = 81,377,492.70 × 21,929,551.40
  4. Step 4: Simplify right side
    54,293,652.20x = 1,784,571,908,967,774.75
  5. Step 5: Solve for x
    x = 1,784,571,908,967,774.75/54,293,652.20
  6. Step 6: Final answer
    x = 32,868,886.82

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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.