Home / 92,775,431.78-128,026,588.32-51,524,981.36

Finding the Fourth Proportional to 92,775,431.78, 128,026,588.32 and 51,524,981.36

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Solution

The fourth proportional to 92,775,431.78, 128,026,588.32 and 51,524,981.36 is: 71,102,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,775,431.78 : 128,026,588.32 = 51,524,981.36 : x
  2. Step 2: Convert to fraction form
    92,775,431.78/128,026,588.32 = 51,524,981.36/x
  3. Step 3: Cross multiply
    92,775,431.78x = 128,026,588.32 × 51,524,981.36
  4. Step 4: Simplify right side
    92,775,431.78x = 6,596,567,576,772,393
  5. Step 5: Solve for x
    x = 6,596,567,576,772,393/92,775,431.78
  6. Step 6: Final answer
    x = 71,102,526.29

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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.