Home / 102,106,806.54-140,908,292.28-55,697,266.86

Finding the Fourth Proportional to 102,106,806.54, 140,908,292.28 and 55,697,266.86

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Solution

The fourth proportional to 102,106,806.54, 140,908,292.28 and 55,697,266.86 is: 76,862,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,806.54 : 140,908,292.28 = 55,697,266.86 : x
  2. Step 2: Convert to fraction form
    102,106,806.54/140,908,292.28 = 55,697,266.86/x
  3. Step 3: Cross multiply
    102,106,806.54x = 140,908,292.28 × 55,697,266.86
  4. Step 4: Simplify right side
    102,106,806.54x = 7,848,206,757,906,038
  5. Step 5: Solve for x
    x = 7,848,206,757,906,038/102,106,806.54
  6. Step 6: Final answer
    x = 76,862,718.79

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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.