Home / 245,501,886.53-368,301,341.54-90,057,138.15

Finding the Fourth Proportional to 245,501,886.53, 368,301,341.54 and 90,057,138.15

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Solution

The fourth proportional to 245,501,886.53, 368,301,341.54 and 90,057,138.15 is: 135,103,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,501,886.53 : 368,301,341.54 = 90,057,138.15 : x
  2. Step 2: Convert to fraction form
    245,501,886.53/368,301,341.54 = 90,057,138.15/x
  3. Step 3: Cross multiply
    245,501,886.53x = 368,301,341.54 × 90,057,138.15
  4. Step 4: Simplify right side
    245,501,886.53x = 33,168,164,795,447,832
  5. Step 5: Solve for x
    x = 33,168,164,795,447,832/245,501,886.53
  6. Step 6: Final answer
    x = 135,103,502.73

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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.