Home / 99,857,534.40-149,786,301.60-83,733,220.80

Finding the Fourth Proportional to 99,857,534.40, 149,786,301.60 and 83,733,220.80

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Solution

The fourth proportional to 99,857,534.40, 149,786,301.60 and 83,733,220.80 is: 125,599,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,857,534.40 : 149,786,301.60 = 83,733,220.80 : x
  2. Step 2: Convert to fraction form
    99,857,534.40/149,786,301.60 = 83,733,220.80/x
  3. Step 3: Cross multiply
    99,857,534.40x = 149,786,301.60 × 83,733,220.80
  4. Step 4: Simplify right side
    99,857,534.40x = 12,542,089,464,688,192
  5. Step 5: Solve for x
    x = 12,542,089,464,688,192/99,857,534.40
  6. Step 6: Final answer
    x = 125,599,831.20

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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.