Home / 108,911,761.80-163,367,642.70-108,274,032.60

Finding the Fourth Proportional to 108,911,761.80, 163,367,642.70 and 108,274,032.60

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Solution

The fourth proportional to 108,911,761.80, 163,367,642.70 and 108,274,032.60 is: 162,411,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,911,761.80 : 163,367,642.70 = 108,274,032.60 : x
  2. Step 2: Convert to fraction form
    108,911,761.80/163,367,642.70 = 108,274,032.60/x
  3. Step 3: Cross multiply
    108,911,761.80x = 163,367,642.70 × 108,274,032.60
  4. Step 4: Simplify right side
    108,911,761.80x = 17,688,473,471,484,950
  5. Step 5: Solve for x
    x = 17,688,473,471,484,950/108,911,761.80
  6. Step 6: Final answer
    x = 162,411,048.90

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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.