Home / 108,916,667.20-163,375,000.80-39,829,337.20

Finding the Fourth Proportional to 108,916,667.20, 163,375,000.80 and 39,829,337.20

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Solution

The fourth proportional to 108,916,667.20, 163,375,000.80 and 39,829,337.20 is: 59,744,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,916,667.20 : 163,375,000.80 = 39,829,337.20 : x
  2. Step 2: Convert to fraction form
    108,916,667.20/163,375,000.80 = 39,829,337.20/x
  3. Step 3: Cross multiply
    108,916,667.20x = 163,375,000.80 × 39,829,337.20
  4. Step 4: Simplify right side
    108,916,667.20x = 6,507,117,996,913,471
  5. Step 5: Solve for x
    x = 6,507,117,996,913,471/108,916,667.20
  6. Step 6: Final answer
    x = 59,744,005.80

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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.