Home / 111,992,492.87-154,546,256.04-61,756,684.55

Finding the Fourth Proportional to 111,992,492.87, 154,546,256.04 and 61,756,684.55

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Solution

The fourth proportional to 111,992,492.87, 154,546,256.04 and 61,756,684.55 is: 85,222,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992,492.87 : 154,546,256.04 = 61,756,684.55 : x
  2. Step 2: Convert to fraction form
    111,992,492.87/154,546,256.04 = 61,756,684.55/x
  3. Step 3: Cross multiply
    111,992,492.87x = 154,546,256.04 × 61,756,684.55
  4. Step 4: Simplify right side
    111,992,492.87x = 9,544,264,382,243,166
  5. Step 5: Solve for x
    x = 9,544,264,382,243,166/111,992,492.87
  6. Step 6: Final answer
    x = 85,222,358.55

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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.