Home / 245,501,885.77-368,301,340.42-90,057,137.40

Finding the Fourth Proportional to 245,501,885.77, 368,301,340.42 and 90,057,137.40

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Solution

The fourth proportional to 245,501,885.77, 368,301,340.42 and 90,057,137.40 is: 135,103,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,501,885.77 : 368,301,340.42 = 90,057,137.40 : x
  2. Step 2: Convert to fraction form
    245,501,885.77/368,301,340.42 = 90,057,137.40/x
  3. Step 3: Cross multiply
    245,501,885.77x = 368,301,340.42 × 90,057,137.40
  4. Step 4: Simplify right side
    245,501,885.77x = 33,168,164,418,582,976
  5. Step 5: Solve for x
    x = 33,168,164,418,582,976/245,501,885.77
  6. Step 6: Final answer
    x = 135,103,501.61

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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.