Home / 108,760,109.40-163,140,164.10-62,780,621.40

Finding the Fourth Proportional to 108,760,109.40, 163,140,164.10 and 62,780,621.40

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Solution

The fourth proportional to 108,760,109.40, 163,140,164.10 and 62,780,621.40 is: 94,170,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,760,109.40 : 163,140,164.10 = 62,780,621.40 : x
  2. Step 2: Convert to fraction form
    108,760,109.40/163,140,164.10 = 62,780,621.40/x
  3. Step 3: Cross multiply
    108,760,109.40x = 163,140,164.10 × 62,780,621.40
  4. Step 4: Simplify right side
    108,760,109.40x = 10,242,040,877,495,972
  5. Step 5: Solve for x
    x = 10,242,040,877,495,972/108,760,109.40
  6. Step 6: Final answer
    x = 94,170,932.10

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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.