Home / 108,439,507-149,646,696.90-58,879,976.56

Finding the Fourth Proportional to 108,439,507, 149,646,696.90 and 58,879,976.56

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Solution

The fourth proportional to 108,439,507, 149,646,696.90 and 58,879,976.56 is: 81,254,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439,507 : 149,646,696.90 = 58,879,976.56 : x
  2. Step 2: Convert to fraction form
    108,439,507/149,646,696.90 = 58,879,976.56/x
  3. Step 3: Cross multiply
    108,439,507x = 149,646,696.90 × 58,879,976.56
  4. Step 4: Simplify right side
    108,439,507x = 8,811,194,005,753,425
  5. Step 5: Solve for x
    x = 8,811,194,005,753,425/108,439,507
  6. Step 6: Final answer
    x = 81,254,463.89

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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.