Home / 279,937,386.40-419,906,079.60-98,184,564.40

Finding the Fourth Proportional to 279,937,386.40, 419,906,079.60 and 98,184,564.40

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Solution

The fourth proportional to 279,937,386.40, 419,906,079.60 and 98,184,564.40 is: 147,276,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,386.40 : 419,906,079.60 = 98,184,564.40 : x
  2. Step 2: Convert to fraction form
    279,937,386.40/419,906,079.60 = 98,184,564.40/x
  3. Step 3: Cross multiply
    279,937,386.40x = 419,906,079.60 × 98,184,564.40
  4. Step 4: Simplify right side
    279,937,386.40x = 41,228,295,514,437,728
  5. Step 5: Solve for x
    x = 41,228,295,514,437,728/279,937,386.40
  6. Step 6: Final answer
    x = 147,276,846.60

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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.