Home / 111,708,101.92-154,156,172.88-62,815,879.84

Finding the Fourth Proportional to 111,708,101.92, 154,156,172.88 and 62,815,879.84

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Solution

The fourth proportional to 111,708,101.92, 154,156,172.88 and 62,815,879.84 is: 86,685,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,708,101.92 : 154,156,172.88 = 62,815,879.84 : x
  2. Step 2: Convert to fraction form
    111,708,101.92/154,156,172.88 = 62,815,879.84/x
  3. Step 3: Cross multiply
    111,708,101.92x = 154,156,172.88 × 62,815,879.84
  4. Step 4: Simplify right side
    111,708,101.92x = 9,683,455,632,224,346
  5. Step 5: Solve for x
    x = 9,683,455,632,224,346/111,708,101.92
  6. Step 6: Final answer
    x = 86,685,347.49

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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.