Home / 186,570,132.05-257,549,351.51-120,522,841.31

Finding the Fourth Proportional to 186,570,132.05, 257,549,351.51 and 120,522,841.31

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Solution

The fourth proportional to 186,570,132.05, 257,549,351.51 and 120,522,841.31 is: 166,374,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570,132.05 : 257,549,351.51 = 120,522,841.31 : x
  2. Step 2: Convert to fraction form
    186,570,132.05/257,549,351.51 = 120,522,841.31/x
  3. Step 3: Cross multiply
    186,570,132.05x = 257,549,351.51 × 120,522,841.31
  4. Step 4: Simplify right side
    186,570,132.05x = 31,040,579,620,930,524
  5. Step 5: Solve for x
    x = 31,040,579,620,930,524/186,570,132.05
  6. Step 6: Final answer
    x = 166,374,860.11

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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.