Home / 54,389,712.60-81,584,568.90-42,060,281.40

Finding the Fourth Proportional to 54,389,712.60, 81,584,568.90 and 42,060,281.40

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Solution

The fourth proportional to 54,389,712.60, 81,584,568.90 and 42,060,281.40 is: 63,090,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,712.60 : 81,584,568.90 = 42,060,281.40 : x
  2. Step 2: Convert to fraction form
    54,389,712.60/81,584,568.90 = 42,060,281.40/x
  3. Step 3: Cross multiply
    54,389,712.60x = 81,584,568.90 × 42,060,281.40
  4. Step 4: Simplify right side
    54,389,712.60x = 3,431,469,925,831,688.50
  5. Step 5: Solve for x
    x = 3,431,469,925,831,688.50/54,389,712.60
  6. Step 6: Final answer
    x = 63,090,422.10

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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.