Home / 108,657,911.70-162,930,880.35-40,465,502.10

Finding the Fourth Proportional to 108,657,911.70, 162,930,880.35 and 40,465,502.10

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Solution

The fourth proportional to 108,657,911.70, 162,930,880.35 and 40,465,502.10 is: 60,677,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,911.70 : 162,930,880.35 = 40,465,502.10 : x
  2. Step 2: Convert to fraction form
    108,657,911.70/162,930,880.35 = 40,465,502.10/x
  3. Step 3: Cross multiply
    108,657,911.70x = 162,930,880.35 × 40,465,502.10
  4. Step 4: Simplify right side
    108,657,911.70x = 6,593,079,880,957,774
  5. Step 5: Solve for x
    x = 6,593,079,880,957,774/108,657,911.70
  6. Step 6: Final answer
    x = 60,677,402.85

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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.