Home / 86,987,831.94-130,532,628.47-32,438,103.30

Finding the Fourth Proportional to 86,987,831.94, 130,532,628.47 and 32,438,103.30

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Solution

The fourth proportional to 86,987,831.94, 130,532,628.47 and 32,438,103.30 is: 48,676,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987,831.94 : 130,532,628.47 = 32,438,103.30 : x
  2. Step 2: Convert to fraction form
    86,987,831.94/130,532,628.47 = 32,438,103.30/x
  3. Step 3: Cross multiply
    86,987,831.94x = 130,532,628.47 × 32,438,103.30
  4. Step 4: Simplify right side
    86,987,831.94x = 4,234,230,886,168,190.50
  5. Step 5: Solve for x
    x = 4,234,230,886,168,190.50/86,987,831.94
  6. Step 6: Final answer
    x = 48,676,128.51

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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.