Home / 186,518,040.78-257,395,144.23-102,884,284.83

Finding the Fourth Proportional to 186,518,040.78, 257,395,144.23 and 102,884,284.83

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Solution

The fourth proportional to 186,518,040.78, 257,395,144.23 and 102,884,284.83 is: 141,980,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,518,040.78 : 257,395,144.23 = 102,884,284.83 : x
  2. Step 2: Convert to fraction form
    186,518,040.78/257,395,144.23 = 102,884,284.83/x
  3. Step 3: Cross multiply
    186,518,040.78x = 257,395,144.23 × 102,884,284.83
  4. Step 4: Simplify right side
    186,518,040.78x = 26,481,915,332,818,248
  5. Step 5: Solve for x
    x = 26,481,915,332,818,248/186,518,040.78
  6. Step 6: Final answer
    x = 141,980,449.84

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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.