Home / 199,614,473.55-299,421,710.33-108,915,209.55

Finding the Fourth Proportional to 199,614,473.55, 299,421,710.33 and 108,915,209.55

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Solution

The fourth proportional to 199,614,473.55, 299,421,710.33 and 108,915,209.55 is: 163,372,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,614,473.55 : 299,421,710.33 = 108,915,209.55 : x
  2. Step 2: Convert to fraction form
    199,614,473.55/299,421,710.33 = 108,915,209.55/x
  3. Step 3: Cross multiply
    199,614,473.55x = 299,421,710.33 × 108,915,209.55
  4. Step 4: Simplify right side
    199,614,473.55x = 32,611,578,323,866,772
  5. Step 5: Solve for x
    x = 32,611,578,323,866,772/199,614,473.55
  6. Step 6: Final answer
    x = 163,372,814.33

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1.5x scale

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.