Home / 66,434,448.30-99,651,672.45-18,565,392.30

Finding the Fourth Proportional to 66,434,448.30, 99,651,672.45 and 18,565,392.30

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Solution

The fourth proportional to 66,434,448.30, 99,651,672.45 and 18,565,392.30 is: 27,848,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,448.30 : 99,651,672.45 = 18,565,392.30 : x
  2. Step 2: Convert to fraction form
    66,434,448.30/99,651,672.45 = 18,565,392.30/x
  3. Step 3: Cross multiply
    66,434,448.30x = 99,651,672.45 × 18,565,392.30
  4. Step 4: Simplify right side
    66,434,448.30x = 1,850,072,392,385,352.25
  5. Step 5: Solve for x
    x = 1,850,072,392,385,352.25/66,434,448.30
  6. Step 6: Final answer
    x = 27,848,088.45

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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.