Home / 201,696,740.22-278,334,152.94-112,384,069.76

Finding the Fourth Proportional to 201,696,740.22, 278,334,152.94 and 112,384,069.76

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Solution

The fourth proportional to 201,696,740.22, 278,334,152.94 and 112,384,069.76 is: 155,085,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,696,740.22 : 278,334,152.94 = 112,384,069.76 : x
  2. Step 2: Convert to fraction form
    201,696,740.22/278,334,152.94 = 112,384,069.76/x
  3. Step 3: Cross multiply
    201,696,740.22x = 278,334,152.94 × 112,384,069.76
  4. Step 4: Simplify right side
    201,696,740.22x = 31,280,324,861,716,748
  5. Step 5: Solve for x
    x = 31,280,324,861,716,748/201,696,740.22
  6. Step 6: Final answer
    x = 155,085,921.70

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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.