Home / 103,492,887.35-155,239,331.03-88,104,717.95

Finding the Fourth Proportional to 103,492,887.35, 155,239,331.03 and 88,104,717.95

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Solution

The fourth proportional to 103,492,887.35, 155,239,331.03 and 88,104,717.95 is: 132,157,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,492,887.35 : 155,239,331.03 = 88,104,717.95 : x
  2. Step 2: Convert to fraction form
    103,492,887.35/155,239,331.03 = 88,104,717.95/x
  3. Step 3: Cross multiply
    103,492,887.35x = 155,239,331.03 × 88,104,717.95
  4. Step 4: Simplify right side
    103,492,887.35x = 13,677,317,474,704,310
  5. Step 5: Solve for x
    x = 13,677,317,474,704,310/103,492,887.35
  6. Step 6: Final answer
    x = 132,157,076.93

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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.