Home / 42,688,423.38-58,910,011.79-23,109,297.23

Finding the Fourth Proportional to 42,688,423.38, 58,910,011.79 and 23,109,297.23

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Solution

The fourth proportional to 42,688,423.38, 58,910,011.79 and 23,109,297.23 is: 31,890,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,423.38 : 58,910,011.79 = 23,109,297.23 : x
  2. Step 2: Convert to fraction form
    42,688,423.38/58,910,011.79 = 23,109,297.23/x
  3. Step 3: Cross multiply
    42,688,423.38x = 58,910,011.79 × 23,109,297.23
  4. Step 4: Simplify right side
    42,688,423.38x = 1,361,368,971,867,817.75
  5. Step 5: Solve for x
    x = 1,361,368,971,867,817.75/42,688,423.38
  6. Step 6: Final answer
    x = 31,890,823.41

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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.