Home / 102,106,922.62-140,908,452.51-55,697,382.94

Finding the Fourth Proportional to 102,106,922.62, 140,908,452.51 and 55,697,382.94

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Solution

The fourth proportional to 102,106,922.62, 140,908,452.51 and 55,697,382.94 is: 76,862,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,922.62 : 140,908,452.51 = 55,697,382.94 : x
  2. Step 2: Convert to fraction form
    102,106,922.62/140,908,452.51 = 55,697,382.94/x
  3. Step 3: Cross multiply
    102,106,922.62x = 140,908,452.51 × 55,697,382.94
  4. Step 4: Simplify right side
    102,106,922.62x = 7,848,232,038,932,273
  5. Step 5: Solve for x
    x = 7,848,232,038,932,273/102,106,922.62
  6. Step 6: Final answer
    x = 76,862,879.01

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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.