Home / 65,428,628.40-98,143,960.10-19,375,155.54

Finding the Fourth Proportional to 65,428,628.40, 98,143,960.10 and 19,375,155.54

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Solution

The fourth proportional to 65,428,628.40, 98,143,960.10 and 19,375,155.54 is: 29,063,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428,628.40 : 98,143,960.10 = 19,375,155.54 : x
  2. Step 2: Convert to fraction form
    65,428,628.40/98,143,960.10 = 19,375,155.54/x
  3. Step 3: Cross multiply
    65,428,628.40x = 98,143,960.10 × 19,375,155.54
  4. Step 4: Simplify right side
    65,428,628.40x = 1,901,554,492,152,178
  5. Step 5: Solve for x
    x = 1,901,554,492,152,178/65,428,628.40
  6. Step 6: Final answer
    x = 29,063,034.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.