Home / 134,286,913.45-201,418,831.79-81,750,950.45

Finding the Fourth Proportional to 134,286,913.45, 201,418,831.79 and 81,750,950.45

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Solution

The fourth proportional to 134,286,913.45, 201,418,831.79 and 81,750,950.45 is: 122,619,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,286,913.45 : 201,418,831.79 = 81,750,950.45 : x
  2. Step 2: Convert to fraction form
    134,286,913.45/201,418,831.79 = 81,750,950.45/x
  3. Step 3: Cross multiply
    134,286,913.45x = 201,418,831.79 × 81,750,950.45
  4. Step 4: Simplify right side
    134,286,913.45x = 16,466,180,937,361,174
  5. Step 5: Solve for x
    x = 16,466,180,937,361,174/134,286,913.45
  6. Step 6: Final answer
    x = 122,619,401.36

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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.