Home / 66,142,447.26-99,207,256.08-20,084,715.12

Finding the Fourth Proportional to 66,142,447.26, 99,207,256.08 and 20,084,715.12

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Solution

The fourth proportional to 66,142,447.26, 99,207,256.08 and 20,084,715.12 is: 30,125,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,447.26 : 99,207,256.08 = 20,084,715.12 : x
  2. Step 2: Convert to fraction form
    66,142,447.26/99,207,256.08 = 20,084,715.12/x
  3. Step 3: Cross multiply
    66,142,447.26x = 99,207,256.08 × 20,084,715.12
  4. Step 4: Simplify right side
    66,142,447.26x = 1,992,549,476,203,688
  5. Step 5: Solve for x
    x = 1,992,549,476,203,688/66,142,447.26
  6. Step 6: Final answer
    x = 30,125,124.77

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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.