Home / 186,820,626.72-257,810,925.60-102,047,815.68

Finding the Fourth Proportional to 186,820,626.72, 257,810,925.60 and 102,047,815.68

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Solution

The fourth proportional to 186,820,626.72, 257,810,925.60 and 102,047,815.68 is: 140,825,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,820,626.72 : 257,810,925.60 = 102,047,815.68 : x
  2. Step 2: Convert to fraction form
    186,820,626.72/257,810,925.60 = 102,047,815.68/x
  3. Step 3: Cross multiply
    186,820,626.72x = 257,810,925.60 × 102,047,815.68
  4. Step 4: Simplify right side
    186,820,626.72x = 26,309,041,815,918,996
  5. Step 5: Solve for x
    x = 26,309,041,815,918,996/186,820,626.72
  6. Step 6: Final answer
    x = 140,825,144.83

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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.