Home / 71,090,836.20-106,636,254.30-65,548,103.40

Finding the Fourth Proportional to 71,090,836.20, 106,636,254.30 and 65,548,103.40

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Solution

The fourth proportional to 71,090,836.20, 106,636,254.30 and 65,548,103.40 is: 98,322,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090,836.20 : 106,636,254.30 = 65,548,103.40 : x
  2. Step 2: Convert to fraction form
    71,090,836.20/106,636,254.30 = 65,548,103.40/x
  3. Step 3: Cross multiply
    71,090,836.20x = 106,636,254.30 × 65,548,103.40
  4. Step 4: Simplify right side
    71,090,836.20x = 6,989,804,223,045,094
  5. Step 5: Solve for x
    x = 6,989,804,223,045,094/71,090,836.20
  6. Step 6: Final answer
    x = 98,322,155.10

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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.