Home / 66,072,463.80-99,108,695.70-52,467,574.20

Finding the Fourth Proportional to 66,072,463.80, 99,108,695.70 and 52,467,574.20

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Solution

The fourth proportional to 66,072,463.80, 99,108,695.70 and 52,467,574.20 is: 78,701,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072,463.80 : 99,108,695.70 = 52,467,574.20 : x
  2. Step 2: Convert to fraction form
    66,072,463.80/99,108,695.70 = 52,467,574.20/x
  3. Step 3: Cross multiply
    66,072,463.80x = 99,108,695.70 × 52,467,574.20
  4. Step 4: Simplify right side
    66,072,463.80x = 5,199,992,845,504,971
  5. Step 5: Solve for x
    x = 5,199,992,845,504,971/66,072,463.80
  6. Step 6: Final answer
    x = 78,701,361.30

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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.