Home / 42,688,518.90-58,910,143.23-23,109,392.94

Finding the Fourth Proportional to 42,688,518.90, 58,910,143.23 and 23,109,392.94

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Solution

The fourth proportional to 42,688,518.90, 58,910,143.23 and 23,109,392.94 is: 31,890,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,518.90 : 58,910,143.23 = 23,109,392.94 : x
  2. Step 2: Convert to fraction form
    42,688,518.90/58,910,143.23 = 23,109,392.94/x
  3. Step 3: Cross multiply
    42,688,518.90x = 58,910,143.23 × 23,109,392.94
  4. Step 4: Simplify right side
    42,688,518.90x = 1,361,377,648,053,750.75
  5. Step 5: Solve for x
    x = 1,361,377,648,053,750.75/42,688,518.90
  6. Step 6: Final answer
    x = 31,890,955.30

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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.