Home / 79,441,778.37-109,678,564.44-62,988,365.01

Finding the Fourth Proportional to 79,441,778.37, 109,678,564.44 and 62,988,365.01

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Solution

The fourth proportional to 79,441,778.37, 109,678,564.44 and 62,988,365.01 is: 86,962,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441,778.37 : 109,678,564.44 = 62,988,365.01 : x
  2. Step 2: Convert to fraction form
    79,441,778.37/109,678,564.44 = 62,988,365.01/x
  3. Step 3: Cross multiply
    79,441,778.37x = 109,678,564.44 × 62,988,365.01
  4. Step 4: Simplify right side
    79,441,778.37x = 6,908,473,450,719,526
  5. Step 5: Solve for x
    x = 6,908,473,450,719,526/79,441,778.37
  6. Step 6: Final answer
    x = 86,962,724.05

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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.