Home / 153,784,334.79-212,199,552.51-93,401,906.73

Finding the Fourth Proportional to 153,784,334.79, 212,199,552.51 and 93,401,906.73

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Solution

The fourth proportional to 153,784,334.79, 212,199,552.51 and 93,401,906.73 is: 128,880,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,784,334.79 : 212,199,552.51 = 93,401,906.73 : x
  2. Step 2: Convert to fraction form
    153,784,334.79/212,199,552.51 = 93,401,906.73/x
  3. Step 3: Cross multiply
    153,784,334.79x = 212,199,552.51 × 93,401,906.73
  4. Step 4: Simplify right side
    153,784,334.79x = 19,819,842,811,686,756
  5. Step 5: Solve for x
    x = 19,819,842,811,686,756/153,784,334.79
  6. Step 6: Final answer
    x = 128,880,765.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.