Home / 67,493,860.80-101,277,647.56-28,626,267.20

Finding the Fourth Proportional to 67,493,860.80, 101,277,647.56 and 28,626,267.20

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Solution

The fourth proportional to 67,493,860.80, 101,277,647.56 and 28,626,267.20 is: 42,955,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,493,860.80 : 101,277,647.56 = 28,626,267.20 : x
  2. Step 2: Convert to fraction form
    67,493,860.80/101,277,647.56 = 28,626,267.20/x
  3. Step 3: Cross multiply
    67,493,860.80x = 101,277,647.56 × 28,626,267.20
  4. Step 4: Simplify right side
    67,493,860.80x = 2,899,201,000,439,988
  5. Step 5: Solve for x
    x = 2,899,201,000,439,988/67,493,860.80
  6. Step 6: Final answer
    x = 42,955,032.74

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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.