Home / 111,246,412.07-153,508,987.31-64,218,636.14

Finding the Fourth Proportional to 111,246,412.07, 153,508,987.31 and 64,218,636.14

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Solution

The fourth proportional to 111,246,412.07, 153,508,987.31 and 64,218,636.14 is: 88,615,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,246,412.07 : 153,508,987.31 = 64,218,636.14 : x
  2. Step 2: Convert to fraction form
    111,246,412.07/153,508,987.31 = 64,218,636.14/x
  3. Step 3: Cross multiply
    111,246,412.07x = 153,508,987.31 × 64,218,636.14
  4. Step 4: Simplify right side
    111,246,412.07x = 9,858,137,800,280,768
  5. Step 5: Solve for x
    x = 9,858,137,800,280,768/111,246,412.07
  6. Step 6: Final answer
    x = 88,615,332.55

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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.