Home / 108,657,068.70-162,929,615.85-40,464,659.10

Finding the Fourth Proportional to 108,657,068.70, 162,929,615.85 and 40,464,659.10

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Solution

The fourth proportional to 108,657,068.70, 162,929,615.85 and 40,464,659.10 is: 60,676,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,068.70 : 162,929,615.85 = 40,464,659.10 : x
  2. Step 2: Convert to fraction form
    108,657,068.70/162,929,615.85 = 40,464,659.10/x
  3. Step 3: Cross multiply
    108,657,068.70x = 162,929,615.85 × 40,464,659.10
  4. Step 4: Simplify right side
    108,657,068.70x = 6,592,891,362,664,207
  5. Step 5: Solve for x
    x = 6,592,891,362,664,207/108,657,068.70
  6. Step 6: Final answer
    x = 60,676,138.62

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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.