Home / 66,699,242.48-99,979,499.56-25,786,782.16

Finding the Fourth Proportional to 66,699,242.48, 99,979,499.56 and 25,786,782.16

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Solution

The fourth proportional to 66,699,242.48, 99,979,499.56 and 25,786,782.16 is: 38,653,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699,242.48 : 99,979,499.56 = 25,786,782.16 : x
  2. Step 2: Convert to fraction form
    66,699,242.48/99,979,499.56 = 25,786,782.16/x
  3. Step 3: Cross multiply
    66,699,242.48x = 99,979,499.56 × 25,786,782.16
  4. Step 4: Simplify right side
    66,699,242.48x = 2,578,149,575,619,536
  5. Step 5: Solve for x
    x = 2,578,149,575,619,536/66,699,242.48
  6. Step 6: Final answer
    x = 38,653,356.17

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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.