Home / 66,048,001.20-99,072,001.80-35,436,999.60

Finding the Fourth Proportional to 66,048,001.20, 99,072,001.80 and 35,436,999.60

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Solution

The fourth proportional to 66,048,001.20, 99,072,001.80 and 35,436,999.60 is: 53,155,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048,001.20 : 99,072,001.80 = 35,436,999.60 : x
  2. Step 2: Convert to fraction form
    66,048,001.20/99,072,001.80 = 35,436,999.60/x
  3. Step 3: Cross multiply
    66,048,001.20x = 99,072,001.80 × 35,436,999.60
  4. Step 4: Simplify right side
    66,048,001.20x = 3,510,814,488,157,799.50
  5. Step 5: Solve for x
    x = 3,510,814,488,157,799.50/66,048,001.20
  6. Step 6: Final answer
    x = 53,155,499.40

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Similar ratio
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1.5x scale

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.