Home / 55,166,058.86-76,129,160.93-31,974,637.89

Finding the Fourth Proportional to 55,166,058.86, 76,129,160.93 and 31,974,637.89

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Solution

The fourth proportional to 55,166,058.86, 76,129,160.93 and 31,974,637.89 is: 44,125,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,058.86 : 76,129,160.93 = 31,974,637.89 : x
  2. Step 2: Convert to fraction form
    55,166,058.86/76,129,160.93 = 31,974,637.89/x
  3. Step 3: Cross multiply
    55,166,058.86x = 76,129,160.93 × 31,974,637.89
  4. Step 4: Simplify right side
    55,166,058.86x = 2,434,202,353,065,766.50
  5. Step 5: Solve for x
    x = 2,434,202,353,065,766.50/55,166,058.86
  6. Step 6: Final answer
    x = 44,125,000.11

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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.