Home / 112,101,178.40-168,151,767.60-83,403,364.40

Finding the Fourth Proportional to 112,101,178.40, 168,151,767.60 and 83,403,364.40

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Solution

The fourth proportional to 112,101,178.40, 168,151,767.60 and 83,403,364.40 is: 125,105,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,178.40 : 168,151,767.60 = 83,403,364.40 : x
  2. Step 2: Convert to fraction form
    112,101,178.40/168,151,767.60 = 83,403,364.40/x
  3. Step 3: Cross multiply
    112,101,178.40x = 168,151,767.60 × 83,403,364.40
  4. Step 4: Simplify right side
    112,101,178.40x = 14,024,423,147,646,914
  5. Step 5: Solve for x
    x = 14,024,423,147,646,914/112,101,178.40
  6. Step 6: Final answer
    x = 125,105,046.60

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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.