Home / 114,040,334.70-157,378,981.05-64,479,643.74

Finding the Fourth Proportional to 114,040,334.70, 157,378,981.05 and 64,479,643.74

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Solution

The fourth proportional to 114,040,334.70, 157,378,981.05 and 64,479,643.74 is: 88,983,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040,334.70 : 157,378,981.05 = 64,479,643.74 : x
  2. Step 2: Convert to fraction form
    114,040,334.70/157,378,981.05 = 64,479,643.74/x
  3. Step 3: Cross multiply
    114,040,334.70x = 157,378,981.05 × 64,479,643.74
  4. Step 4: Simplify right side
    114,040,334.70x = 10,147,740,630,268,212
  5. Step 5: Solve for x
    x = 10,147,740,630,268,212/114,040,334.70
  6. Step 6: Final answer
    x = 88,983,785.05

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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.