Home / 79,441,775.37-109,678,560.30-62,988,362.01

Finding the Fourth Proportional to 79,441,775.37, 109,678,560.30 and 62,988,362.01

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Solution

The fourth proportional to 79,441,775.37, 109,678,560.30 and 62,988,362.01 is: 86,962,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441,775.37 : 109,678,560.30 = 62,988,362.01 : x
  2. Step 2: Convert to fraction form
    79,441,775.37/109,678,560.30 = 62,988,362.01/x
  3. Step 3: Cross multiply
    79,441,775.37x = 109,678,560.30 × 62,988,362.01
  4. Step 4: Simplify right side
    79,441,775.37x = 6,908,472,860,912,014
  5. Step 5: Solve for x
    x = 6,908,472,860,912,014/79,441,775.37
  6. Step 6: Final answer
    x = 86,962,719.91

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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.