Home / 42,578,381.25-58,758,188.81-22,999,269.20

Finding the Fourth Proportional to 42,578,381.25, 58,758,188.81 and 22,999,269.20

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Solution

The fourth proportional to 42,578,381.25, 58,758,188.81 and 22,999,269.20 is: 31,739,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578,381.25 : 58,758,188.81 = 22,999,269.20 : x
  2. Step 2: Convert to fraction form
    42,578,381.25/58,758,188.81 = 22,999,269.20/x
  3. Step 3: Cross multiply
    42,578,381.25x = 58,758,188.81 × 22,999,269.20
  4. Step 4: Simplify right side
    42,578,381.25x = 1,351,395,401,736,830.25
  5. Step 5: Solve for x
    x = 1,351,395,401,736,830.25/42,578,381.25
  6. Step 6: Final answer
    x = 31,739,003.74

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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.