Home / 111,132,340.80-166,698,511.20-104,896,766.40

Finding the Fourth Proportional to 111,132,340.80, 166,698,511.20 and 104,896,766.40

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Solution

The fourth proportional to 111,132,340.80, 166,698,511.20 and 104,896,766.40 is: 157,345,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132,340.80 : 166,698,511.20 = 104,896,766.40 : x
  2. Step 2: Convert to fraction form
    111,132,340.80/166,698,511.20 = 104,896,766.40/x
  3. Step 3: Cross multiply
    111,132,340.80x = 166,698,511.20 × 104,896,766.40
  4. Step 4: Simplify right side
    111,132,340.80x = 17,486,134,788,574,184
  5. Step 5: Solve for x
    x = 17,486,134,788,574,184/111,132,340.80
  6. Step 6: Final answer
    x = 157,345,149.60

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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.