Home / 54,128,534.70-81,192,802.05-25,430,720.70

Finding the Fourth Proportional to 54,128,534.70, 81,192,802.05 and 25,430,720.70

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Solution

The fourth proportional to 54,128,534.70, 81,192,802.05 and 25,430,720.70 is: 38,146,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,534.70 : 81,192,802.05 = 25,430,720.70 : x
  2. Step 2: Convert to fraction form
    54,128,534.70/81,192,802.05 = 25,430,720.70/x
  3. Step 3: Cross multiply
    54,128,534.70x = 81,192,802.05 × 25,430,720.70
  4. Step 4: Simplify right side
    54,128,534.70x = 2,064,791,471,783,937.25
  5. Step 5: Solve for x
    x = 2,064,791,471,783,937.25/54,128,534.70
  6. Step 6: Final answer
    x = 38,146,081.05

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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.