Home / 54,381,349.80-81,572,024.70-30,194,879.40

Finding the Fourth Proportional to 54,381,349.80, 81,572,024.70 and 30,194,879.40

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Solution

The fourth proportional to 54,381,349.80, 81,572,024.70 and 30,194,879.40 is: 45,292,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381,349.80 : 81,572,024.70 = 30,194,879.40 : x
  2. Step 2: Convert to fraction form
    54,381,349.80/81,572,024.70 = 30,194,879.40/x
  3. Step 3: Cross multiply
    54,381,349.80x = 81,572,024.70 × 30,194,879.40
  4. Step 4: Simplify right side
    54,381,349.80x = 2,463,057,448,230,321
  5. Step 5: Solve for x
    x = 2,463,057,448,230,321/54,381,349.80
  6. Step 6: Final answer
    x = 45,292,319.10

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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.