Home / 217,420,434.80-326,130,652.20-73,813,266.80

Finding the Fourth Proportional to 217,420,434.80, 326,130,652.20 and 73,813,266.80

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Solution

The fourth proportional to 217,420,434.80, 326,130,652.20 and 73,813,266.80 is: 110,719,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,420,434.80 : 326,130,652.20 = 73,813,266.80 : x
  2. Step 2: Convert to fraction form
    217,420,434.80/326,130,652.20 = 73,813,266.80/x
  3. Step 3: Cross multiply
    217,420,434.80x = 326,130,652.20 × 73,813,266.80
  4. Step 4: Simplify right side
    217,420,434.80x = 24,072,768,842,496,604
  5. Step 5: Solve for x
    x = 24,072,768,842,496,604/217,420,434.80
  6. Step 6: Final answer
    x = 110,719,900.20

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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.