Home / 54,128,430.10-81,192,645.15-54,128,430.10

Finding the Fourth Proportional to 54,128,430.10, 81,192,645.15 and 54,128,430.10

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Solution

The fourth proportional to 54,128,430.10, 81,192,645.15 and 54,128,430.10 is: 81,192,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,430.10 : 81,192,645.15 = 54,128,430.10 : x
  2. Step 2: Convert to fraction form
    54,128,430.10/81,192,645.15 = 54,128,430.10/x
  3. Step 3: Cross multiply
    54,128,430.10x = 81,192,645.15 × 54,128,430.10
  4. Step 4: Simplify right side
    54,128,430.10x = 4,394,830,417,635,879.50
  5. Step 5: Solve for x
    x = 4,394,830,417,635,879.50/54,128,430.10
  6. Step 6: Final answer
    x = 81,192,645.15

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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.