Home / 124,620,426.50-171,975,765.75-68,864,290.34

Finding the Fourth Proportional to 124,620,426.50, 171,975,765.75 and 68,864,290.34

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Solution

The fourth proportional to 124,620,426.50, 171,975,765.75 and 68,864,290.34 is: 95,032,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,426.50 : 171,975,765.75 = 68,864,290.34 : x
  2. Step 2: Convert to fraction form
    124,620,426.50/171,975,765.75 = 68,864,290.34/x
  3. Step 3: Cross multiply
    124,620,426.50x = 171,975,765.75 × 68,864,290.34
  4. Step 4: Simplify right side
    124,620,426.50x = 11,842,989,064,051,828
  5. Step 5: Solve for x
    x = 11,842,989,064,051,828/124,620,426.50
  6. Step 6: Final answer
    x = 95,032,487.02

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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.