Home / 108,810,603.80-163,215,905.70-40,644,438.20

Finding the Fourth Proportional to 108,810,603.80, 163,215,905.70 and 40,644,438.20

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Solution

The fourth proportional to 108,810,603.80, 163,215,905.70 and 40,644,438.20 is: 60,966,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,810,603.80 : 163,215,905.70 = 40,644,438.20 : x
  2. Step 2: Convert to fraction form
    108,810,603.80/163,215,905.70 = 40,644,438.20/x
  3. Step 3: Cross multiply
    108,810,603.80x = 163,215,905.70 × 40,644,438.20
  4. Step 4: Simplify right side
    108,810,603.80x = 6,633,818,792,480,678
  5. Step 5: Solve for x
    x = 6,633,818,792,480,678/108,810,603.80
  6. Step 6: Final answer
    x = 60,966,657.30

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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.