Home / 108,869,916.60-163,304,874.90-40,698,502.20

Finding the Fourth Proportional to 108,869,916.60, 163,304,874.90 and 40,698,502.20

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Solution

The fourth proportional to 108,869,916.60, 163,304,874.90 and 40,698,502.20 is: 61,047,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,916.60 : 163,304,874.90 = 40,698,502.20 : x
  2. Step 2: Convert to fraction form
    108,869,916.60/163,304,874.90 = 40,698,502.20/x
  3. Step 3: Cross multiply
    108,869,916.60x = 163,304,874.90 × 40,698,502.20
  4. Step 4: Simplify right side
    108,869,916.60x = 6,646,263,810,388,376
  5. Step 5: Solve for x
    x = 6,646,263,810,388,376/108,869,916.60
  6. Step 6: Final answer
    x = 61,047,753.30

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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.