Home / 207,144,234.40-310,716,351.60-86,211,882.40

Finding the Fourth Proportional to 207,144,234.40, 310,716,351.60 and 86,211,882.40

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Solution

The fourth proportional to 207,144,234.40, 310,716,351.60 and 86,211,882.40 is: 129,317,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,144,234.40 : 310,716,351.60 = 86,211,882.40 : x
  2. Step 2: Convert to fraction form
    207,144,234.40/310,716,351.60 = 86,211,882.40/x
  3. Step 3: Cross multiply
    207,144,234.40x = 310,716,351.60 × 86,211,882.40
  4. Step 4: Simplify right side
    207,144,234.40x = 26,787,441,563,896,256
  5. Step 5: Solve for x
    x = 26,787,441,563,896,256/207,144,234.40
  6. Step 6: Final answer
    x = 129,317,823.60

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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.