Home / 248,342,645.40-372,553,334.10-84,595,831.80

Finding the Fourth Proportional to 248,342,645.40, 372,553,334.10 and 84,595,831.80

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Solution

The fourth proportional to 248,342,645.40, 372,553,334.10 and 84,595,831.80 is: 126,907,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,342,645.40 : 372,553,334.10 = 84,595,831.80 : x
  2. Step 2: Convert to fraction form
    248,342,645.40/372,553,334.10 = 84,595,831.80/x
  3. Step 3: Cross multiply
    248,342,645.40x = 372,553,334.10 × 84,595,831.80
  4. Step 4: Simplify right side
    248,342,645.40x = 31,516,459,188,052,804
  5. Step 5: Solve for x
    x = 31,516,459,188,052,804/248,342,645.40
  6. Step 6: Final answer
    x = 126,907,157.40

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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.