Home / 66,210,361.58-99,315,597.10-31,658,633.84

Finding the Fourth Proportional to 66,210,361.58, 99,315,597.10 and 31,658,633.84

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Solution

The fourth proportional to 66,210,361.58, 99,315,597.10 and 31,658,633.84 is: 47,487,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210,361.58 : 99,315,597.10 = 31,658,633.84 : x
  2. Step 2: Convert to fraction form
    66,210,361.58/99,315,597.10 = 31,658,633.84/x
  3. Step 3: Cross multiply
    66,210,361.58x = 99,315,597.10 × 31,658,633.84
  4. Step 4: Simplify right side
    66,210,361.58x = 3,144,196,123,189,865.50
  5. Step 5: Solve for x
    x = 3,144,196,123,189,865.50/66,210,361.58
  6. Step 6: Final answer
    x = 47,487,976.93

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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.