Home / 85,102,607-127,653,913.38-21,277,199

Finding the Fourth Proportional to 85,102,607, 127,653,913.38 and 21,277,199

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Solution

The fourth proportional to 85,102,607, 127,653,913.38 and 21,277,199 is: 31,915,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,607 : 127,653,913.38 = 21,277,199 : x
  2. Step 2: Convert to fraction form
    85,102,607/127,653,913.38 = 21,277,199/x
  3. Step 3: Cross multiply
    85,102,607x = 127,653,913.38 × 21,277,199
  4. Step 4: Simplify right side
    85,102,607x = 2,716,117,718,115,022.50
  5. Step 5: Solve for x
    x = 2,716,117,718,115,022.50/85,102,607
  6. Step 6: Final answer
    x = 31,915,799.22

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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.