Home / 217,735,444.80-326,603,167.20-74,128,276.80

Finding the Fourth Proportional to 217,735,444.80, 326,603,167.20 and 74,128,276.80

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Solution

The fourth proportional to 217,735,444.80, 326,603,167.20 and 74,128,276.80 is: 111,192,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,444.80 : 326,603,167.20 = 74,128,276.80 : x
  2. Step 2: Convert to fraction form
    217,735,444.80/326,603,167.20 = 74,128,276.80/x
  3. Step 3: Cross multiply
    217,735,444.80x = 326,603,167.20 × 74,128,276.80
  4. Step 4: Simplify right side
    217,735,444.80x = 24,210,529,981,958,280
  5. Step 5: Solve for x
    x = 24,210,529,981,958,280/217,735,444.80
  6. Step 6: Final answer
    x = 111,192,415.20

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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.