Home / 112,007,138.40-168,010,707.60-89,332,322.40

Finding the Fourth Proportional to 112,007,138.40, 168,010,707.60 and 89,332,322.40

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Solution

The fourth proportional to 112,007,138.40, 168,010,707.60 and 89,332,322.40 is: 133,998,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,007,138.40 : 168,010,707.60 = 89,332,322.40 : x
  2. Step 2: Convert to fraction form
    112,007,138.40/168,010,707.60 = 89,332,322.40/x
  3. Step 3: Cross multiply
    112,007,138.40x = 168,010,707.60 × 89,332,322.40
  4. Step 4: Simplify right side
    112,007,138.40x = 15,008,786,697,975,330
  5. Step 5: Solve for x
    x = 15,008,786,697,975,330/112,007,138.40
  6. Step 6: Final answer
    x = 133,998,483.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.