Home / 66,126,057.89-91,261,341.83-40,034,953.49

Finding the Fourth Proportional to 66,126,057.89, 91,261,341.83 and 40,034,953.49

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Solution

The fourth proportional to 66,126,057.89, 91,261,341.83 and 40,034,953.49 is: 55,252,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126,057.89 : 91,261,341.83 = 40,034,953.49 : x
  2. Step 2: Convert to fraction form
    66,126,057.89/91,261,341.83 = 40,034,953.49/x
  3. Step 3: Cross multiply
    66,126,057.89x = 91,261,341.83 × 40,034,953.49
  4. Step 4: Simplify right side
    66,126,057.89x = 3,653,643,575,242,822
  5. Step 5: Solve for x
    x = 3,653,643,575,242,822/66,126,057.89
  6. Step 6: Final answer
    x = 55,252,705.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.