Home / 99,903,392.73-149,786,893.41-53,223,857.88

Finding the Fourth Proportional to 99,903,392.73, 149,786,893.41 and 53,223,857.88

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Solution

The fourth proportional to 99,903,392.73, 149,786,893.41 and 53,223,857.88 is: 79,799,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,903,392.73 : 149,786,893.41 = 53,223,857.88 : x
  2. Step 2: Convert to fraction form
    99,903,392.73/149,786,893.41 = 53,223,857.88/x
  3. Step 3: Cross multiply
    99,903,392.73x = 149,786,893.41 × 53,223,857.88
  4. Step 4: Simplify right side
    99,903,392.73x = 7,972,236,327,140,549
  5. Step 5: Solve for x
    x = 7,972,236,327,140,549/99,903,392.73
  6. Step 6: Final answer
    x = 79,799,455.35

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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.