Home / 108,915,145.12-163,420,962.60-57,087,430.72

Finding the Fourth Proportional to 108,915,145.12, 163,420,962.60 and 57,087,430.72

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Solution

The fourth proportional to 108,915,145.12, 163,420,962.60 and 57,087,430.72 is: 85,656,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,145.12 : 163,420,962.60 = 57,087,430.72 : x
  2. Step 2: Convert to fraction form
    108,915,145.12/163,420,962.60 = 57,087,430.72/x
  3. Step 3: Cross multiply
    108,915,145.12x = 163,420,962.60 × 57,087,430.72
  4. Step 4: Simplify right side
    108,915,145.12x = 9,329,282,880,566,874
  5. Step 5: Solve for x
    x = 9,329,282,880,566,874/108,915,145.12
  6. Step 6: Final answer
    x = 85,656,433.46

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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.