Home / 125,401,478.78-173,054,441.76-69,646,889.18

Finding the Fourth Proportional to 125,401,478.78, 173,054,441.76 and 69,646,889.18

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Solution

The fourth proportional to 125,401,478.78, 173,054,441.76 and 69,646,889.18 is: 96,112,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401,478.78 : 173,054,441.76 = 69,646,889.18 : x
  2. Step 2: Convert to fraction form
    125,401,478.78/173,054,441.76 = 69,646,889.18/x
  3. Step 3: Cross multiply
    125,401,478.78x = 173,054,441.76 × 69,646,889.18
  4. Step 4: Simplify right side
    125,401,478.78x = 12,052,703,527,365,484
  5. Step 5: Solve for x
    x = 12,052,703,527,365,484/125,401,478.78
  6. Step 6: Final answer
    x = 96,112,929.80

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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.