Home / 66,433,991.40-99,650,987.10-63,883,074.60

Finding the Fourth Proportional to 66,433,991.40, 99,650,987.10 and 63,883,074.60

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Solution

The fourth proportional to 66,433,991.40, 99,650,987.10 and 63,883,074.60 is: 95,824,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,991.40 : 99,650,987.10 = 63,883,074.60 : x
  2. Step 2: Convert to fraction form
    66,433,991.40/99,650,987.10 = 63,883,074.60/x
  3. Step 3: Cross multiply
    66,433,991.40x = 99,650,987.10 × 63,883,074.60
  4. Step 4: Simplify right side
    66,433,991.40x = 6,366,011,442,872,937
  5. Step 5: Solve for x
    x = 6,366,011,442,872,937/66,433,991.40
  6. Step 6: Final answer
    x = 95,824,611.90

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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.