Home / 42,688,527.72-58,910,155.65-23,109,401.58

Finding the Fourth Proportional to 42,688,527.72, 58,910,155.65 and 23,109,401.58

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Solution

The fourth proportional to 42,688,527.72, 58,910,155.65 and 23,109,401.58 is: 31,890,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,527.72 : 58,910,155.65 = 23,109,401.58 : x
  2. Step 2: Convert to fraction form
    42,688,527.72/58,910,155.65 = 23,109,401.58/x
  3. Step 3: Cross multiply
    42,688,527.72x = 58,910,155.65 × 23,109,401.58
  4. Step 4: Simplify right side
    42,688,527.72x = 1,361,378,444,056,155.75
  5. Step 5: Solve for x
    x = 1,361,378,444,056,155.75/42,688,527.72
  6. Step 6: Final answer
    x = 31,890,967.36

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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.