Home / 54,558,390.34-75,389,064.77-38,850,143.57

Finding the Fourth Proportional to 54,558,390.34, 75,389,064.77 and 38,850,143.57

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Solution

The fourth proportional to 54,558,390.34, 75,389,064.77 and 38,850,143.57 is: 53,683,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558,390.34 : 75,389,064.77 = 38,850,143.57 : x
  2. Step 2: Convert to fraction form
    54,558,390.34/75,389,064.77 = 38,850,143.57/x
  3. Step 3: Cross multiply
    54,558,390.34x = 75,389,064.77 × 38,850,143.57
  4. Step 4: Simplify right side
    54,558,390.34x = 2,928,875,989,734,056.50
  5. Step 5: Solve for x
    x = 2,928,875,989,734,056.50/54,558,390.34
  6. Step 6: Final answer
    x = 53,683,328.48

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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.