Home / 54,459,023.40-81,688,535.10-28,886,869.80

Finding the Fourth Proportional to 54,459,023.40, 81,688,535.10 and 28,886,869.80

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Solution

The fourth proportional to 54,459,023.40, 81,688,535.10 and 28,886,869.80 is: 43,330,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,023.40 : 81,688,535.10 = 28,886,869.80 : x
  2. Step 2: Convert to fraction form
    54,459,023.40/81,688,535.10 = 28,886,869.80/x
  3. Step 3: Cross multiply
    54,459,023.40x = 81,688,535.10 × 28,886,869.80
  4. Step 4: Simplify right side
    54,459,023.40x = 2,359,726,077,586,430
  5. Step 5: Solve for x
    x = 2,359,726,077,586,430/54,459,023.40
  6. Step 6: Final answer
    x = 43,330,304.70

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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.