Home / 96,980,178.36-145,310,410.26-86,979,620.28

Finding the Fourth Proportional to 96,980,178.36, 145,310,410.26 and 86,979,620.28

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Solution

The fourth proportional to 96,980,178.36, 145,310,410.26 and 86,979,620.28 is: 130,326,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980,178.36 : 145,310,410.26 = 86,979,620.28 : x
  2. Step 2: Convert to fraction form
    96,980,178.36/145,310,410.26 = 86,979,620.28/x
  3. Step 3: Cross multiply
    96,980,178.36x = 145,310,410.26 × 86,979,620.28
  4. Step 4: Simplify right side
    96,980,178.36x = 12,639,044,307,145,816
  5. Step 5: Solve for x
    x = 12,639,044,307,145,816/96,980,178.36
  6. Step 6: Final answer
    x = 130,326,057.56

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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.