Home / 86,988,749.50-120,041,401.57-47,830,252.06

Finding the Fourth Proportional to 86,988,749.50, 120,041,401.57 and 47,830,252.06

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Solution

The fourth proportional to 86,988,749.50, 120,041,401.57 and 47,830,252.06 is: 66,004,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,988,749.50 : 120,041,401.57 = 47,830,252.06 : x
  2. Step 2: Convert to fraction form
    86,988,749.50/120,041,401.57 = 47,830,252.06/x
  3. Step 3: Cross multiply
    86,988,749.50x = 120,041,401.57 × 47,830,252.06
  4. Step 4: Simplify right side
    86,988,749.50x = 5,741,610,494,728,780
  5. Step 5: Solve for x
    x = 5,741,610,494,728,780/86,988,749.50
  6. Step 6: Final answer
    x = 66,004,058.31

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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.