Home / 117,910,521.60-176,998,492.80-91,103,020.80

Finding the Fourth Proportional to 117,910,521.60, 176,998,492.80 and 91,103,020.80

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Solution

The fourth proportional to 117,910,521.60, 176,998,492.80 and 91,103,020.80 is: 136,757,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,910,521.60 : 176,998,492.80 = 91,103,020.80 : x
  2. Step 2: Convert to fraction form
    117,910,521.60/176,998,492.80 = 91,103,020.80/x
  3. Step 3: Cross multiply
    117,910,521.60x = 176,998,492.80 × 91,103,020.80
  4. Step 4: Simplify right side
    117,910,521.60x = 16,125,097,371,127,050
  5. Step 5: Solve for x
    x = 16,125,097,371,127,050/117,910,521.60
  6. Step 6: Final answer
    x = 136,757,069.28

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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.