Home / 209,123,818.08-288,598,831.38-116,311,037.28

Finding the Fourth Proportional to 209,123,818.08, 288,598,831.38 and 116,311,037.28

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Solution

The fourth proportional to 209,123,818.08, 288,598,831.38 and 116,311,037.28 is: 160,513,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,123,818.08 : 288,598,831.38 = 116,311,037.28 : x
  2. Step 2: Convert to fraction form
    209,123,818.08/288,598,831.38 = 116,311,037.28/x
  3. Step 3: Cross multiply
    209,123,818.08x = 288,598,831.38 × 116,311,037.28
  4. Step 4: Simplify right side
    209,123,818.08x = 33,567,229,435,603,612
  5. Step 5: Solve for x
    x = 33,567,229,435,603,612/209,123,818.08
  6. Step 6: Final answer
    x = 160,513,660.01

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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.