Home / 108,982,669.05-150,432,521.63-64,943,480.16

Finding the Fourth Proportional to 108,982,669.05, 150,432,521.63 and 64,943,480.16

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Solution

The fourth proportional to 108,982,669.05, 150,432,521.63 and 64,943,480.16 is: 89,643,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,982,669.05 : 150,432,521.63 = 64,943,480.16 : x
  2. Step 2: Convert to fraction form
    108,982,669.05/150,432,521.63 = 64,943,480.16/x
  3. Step 3: Cross multiply
    108,982,669.05x = 150,432,521.63 × 64,943,480.16
  4. Step 4: Simplify right side
    108,982,669.05x = 9,769,611,483,571,958
  5. Step 5: Solve for x
    x = 9,769,611,483,571,958/108,982,669.05
  6. Step 6: Final answer
    x = 89,643,716.46

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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.