Home / 157,211,464.15-216,942,967.35-86,646,860.52

Finding the Fourth Proportional to 157,211,464.15, 216,942,967.35 and 86,646,860.52

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Solution

The fourth proportional to 157,211,464.15, 216,942,967.35 and 86,646,860.52 is: 119,567,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,211,464.15 : 216,942,967.35 = 86,646,860.52 : x
  2. Step 2: Convert to fraction form
    157,211,464.15/216,942,967.35 = 86,646,860.52/x
  3. Step 3: Cross multiply
    157,211,464.15x = 216,942,967.35 × 86,646,860.52
  4. Step 4: Simplify right side
    157,211,464.15x = 18,797,427,032,770,364
  5. Step 5: Solve for x
    x = 18,797,427,032,770,364/157,211,464.15
  6. Step 6: Final answer
    x = 119,567,788.10

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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.