Home / 42,688,438.48-58,910,032.68-23,109,312.34

Finding the Fourth Proportional to 42,688,438.48, 58,910,032.68 and 23,109,312.34

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Solution

The fourth proportional to 42,688,438.48, 58,910,032.68 and 23,109,312.34 is: 31,890,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,438.48 : 58,910,032.68 = 23,109,312.34 : x
  2. Step 2: Convert to fraction form
    42,688,438.48/58,910,032.68 = 23,109,312.34/x
  3. Step 3: Cross multiply
    42,688,438.48x = 58,910,032.68 × 23,109,312.34
  4. Step 4: Simplify right side
    42,688,438.48x = 1,361,370,345,161,727.25
  5. Step 5: Solve for x
    x = 1,361,370,345,161,727.25/42,688,438.48
  6. Step 6: Final answer
    x = 31,890,844.30

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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.