Home / 108,755,820.40-163,133,730.60-65,757,650.80

Finding the Fourth Proportional to 108,755,820.40, 163,133,730.60 and 65,757,650.80

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Solution

The fourth proportional to 108,755,820.40, 163,133,730.60 and 65,757,650.80 is: 98,636,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755,820.40 : 163,133,730.60 = 65,757,650.80 : x
  2. Step 2: Convert to fraction form
    108,755,820.40/163,133,730.60 = 65,757,650.80/x
  3. Step 3: Cross multiply
    108,755,820.40x = 163,133,730.60 × 65,757,650.80
  4. Step 4: Simplify right side
    108,755,820.40x = 10,727,290,890,496,074
  5. Step 5: Solve for x
    x = 10,727,290,890,496,074/108,755,820.40
  6. Step 6: Final answer
    x = 98,636,476.20

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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.