Home / 310,455,258.86-465,747,159.44-126,222,766.36

Finding the Fourth Proportional to 310,455,258.86, 465,747,159.44 and 126,222,766.36

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Solution

The fourth proportional to 310,455,258.86, 465,747,159.44 and 126,222,766.36 is: 189,360,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,455,258.86 : 465,747,159.44 = 126,222,766.36 : x
  2. Step 2: Convert to fraction form
    310,455,258.86/465,747,159.44 = 126,222,766.36/x
  3. Step 3: Cross multiply
    310,455,258.86x = 465,747,159.44 × 126,222,766.36
  4. Step 4: Simplify right side
    310,455,258.86x = 58,787,894,888,828,784
  5. Step 5: Solve for x
    x = 58,787,894,888,828,784/310,455,258.86
  6. Step 6: Final answer
    x = 189,360,280.46

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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.