Home / 156,074,831.20-234,112,246.80-98,380,021.60

Finding the Fourth Proportional to 156,074,831.20, 234,112,246.80 and 98,380,021.60

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Solution

The fourth proportional to 156,074,831.20, 234,112,246.80 and 98,380,021.60 is: 147,570,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,074,831.20 : 234,112,246.80 = 98,380,021.60 : x
  2. Step 2: Convert to fraction form
    156,074,831.20/234,112,246.80 = 98,380,021.60/x
  3. Step 3: Cross multiply
    156,074,831.20x = 234,112,246.80 × 98,380,021.60
  4. Step 4: Simplify right side
    156,074,831.20x = 23,031,967,897,008,532
  5. Step 5: Solve for x
    x = 23,031,967,897,008,532/156,074,831.20
  6. Step 6: Final answer
    x = 147,570,032.40

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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.