Home / 66,882,646.20-100,323,969.30-38,184,832.20

Finding the Fourth Proportional to 66,882,646.20, 100,323,969.30 and 38,184,832.20

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Solution

The fourth proportional to 66,882,646.20, 100,323,969.30 and 38,184,832.20 is: 57,277,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882,646.20 : 100,323,969.30 = 38,184,832.20 : x
  2. Step 2: Convert to fraction form
    66,882,646.20/100,323,969.30 = 38,184,832.20/x
  3. Step 3: Cross multiply
    66,882,646.20x = 100,323,969.30 × 38,184,832.20
  4. Step 4: Simplify right side
    66,882,646.20x = 3,830,853,933,358,451.50
  5. Step 5: Solve for x
    x = 3,830,853,933,358,451.50/66,882,646.20
  6. Step 6: Final answer
    x = 57,277,248.30

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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.