Home / 86,222,795.40-129,336,025.32-30,894,233.40

Finding the Fourth Proportional to 86,222,795.40, 129,336,025.32 and 30,894,233.40

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Solution

The fourth proportional to 86,222,795.40, 129,336,025.32 and 30,894,233.40 is: 46,342,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,222,795.40 : 129,336,025.32 = 30,894,233.40 : x
  2. Step 2: Convert to fraction form
    86,222,795.40/129,336,025.32 = 30,894,233.40/x
  3. Step 3: Cross multiply
    86,222,795.40x = 129,336,025.32 × 30,894,233.40
  4. Step 4: Simplify right side
    86,222,795.40x = 3,995,737,353,264,389.50
  5. Step 5: Solve for x
    x = 3,995,737,353,264,389.50/86,222,795.40
  6. Step 6: Final answer
    x = 46,342,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.