Home / 66,715,089.32-92,019,361.56-61,226,189.12

Finding the Fourth Proportional to 66,715,089.32, 92,019,361.56 and 61,226,189.12

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Solution

The fourth proportional to 66,715,089.32, 92,019,361.56 and 61,226,189.12 is: 84,448,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715,089.32 : 92,019,361.56 = 61,226,189.12 : x
  2. Step 2: Convert to fraction form
    66,715,089.32/92,019,361.56 = 61,226,189.12/x
  3. Step 3: Cross multiply
    66,715,089.32x = 92,019,361.56 × 61,226,189.12
  4. Step 4: Simplify right side
    66,715,089.32x = 5,633,994,833,574,218
  5. Step 5: Solve for x
    x = 5,633,994,833,574,218/66,715,089.32
  6. Step 6: Final answer
    x = 84,448,584.14

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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.