Home / 310,386,660.46-465,616,010.04-103,143,566.14

Finding the Fourth Proportional to 310,386,660.46, 465,616,010.04 and 103,143,566.14

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Solution

The fourth proportional to 310,386,660.46, 465,616,010.04 and 103,143,566.14 is: 154,727,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,386,660.46 : 465,616,010.04 = 103,143,566.14 : x
  2. Step 2: Convert to fraction form
    310,386,660.46/465,616,010.04 = 103,143,566.14/x
  3. Step 3: Cross multiply
    310,386,660.46x = 465,616,010.04 × 103,143,566.14
  4. Step 4: Simplify right side
    310,386,660.46x = 48,025,295,727,403,648
  5. Step 5: Solve for x
    x = 48,025,295,727,403,648/310,386,660.46
  6. Step 6: Final answer
    x = 154,727,318.68

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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.