Home / 54,459,114.90-81,688,672.35-28,886,961.30

Finding the Fourth Proportional to 54,459,114.90, 81,688,672.35 and 28,886,961.30

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Solution

The fourth proportional to 54,459,114.90, 81,688,672.35 and 28,886,961.30 is: 43,330,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,114.90 : 81,688,672.35 = 28,886,961.30 : x
  2. Step 2: Convert to fraction form
    54,459,114.90/81,688,672.35 = 28,886,961.30/x
  3. Step 3: Cross multiply
    54,459,114.90x = 81,688,672.35 × 28,886,961.30
  4. Step 4: Simplify right side
    54,459,114.90x = 2,359,737,516,822,830
  5. Step 5: Solve for x
    x = 2,359,737,516,822,830/54,459,114.90
  6. Step 6: Final answer
    x = 43,330,441.95

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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.