Home / 111,370,279.70-167,055,419.55-103,812,007.70

Finding the Fourth Proportional to 111,370,279.70, 167,055,419.55 and 103,812,007.70

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Solution

The fourth proportional to 111,370,279.70, 167,055,419.55 and 103,812,007.70 is: 155,718,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370,279.70 : 167,055,419.55 = 103,812,007.70 : x
  2. Step 2: Convert to fraction form
    111,370,279.70/167,055,419.55 = 103,812,007.70/x
  3. Step 3: Cross multiply
    111,370,279.70x = 167,055,419.55 × 103,812,007.70
  4. Step 4: Simplify right side
    111,370,279.70x = 17,342,358,500,651,332
  5. Step 5: Solve for x
    x = 17,342,358,500,651,332/111,370,279.70
  6. Step 6: Final answer
    x = 155,718,011.55

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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.