Home / 66,629,368,926.75-99,940,533,419.70-21,854,967,779.40

Finding the Fourth Proportional to 66,629,368,926.75, 99,940,533,419.70 and 21,854,967,779.40

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Solution

The fourth proportional to 66,629,368,926.75, 99,940,533,419.70 and 21,854,967,779.40 is: 32,781,297,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629,368,926.75 : 99,940,533,419.70 = 21,854,967,779.40 : x
  2. Step 2: Convert to fraction form
    66,629,368,926.75/99,940,533,419.70 = 21,854,967,779.40/x
  3. Step 3: Cross multiply
    66,629,368,926.75x = 99,940,533,419.70 × 21,854,967,779.40
  4. Step 4: Simplify right side
    66,629,368,926.75x = 2,184,197,137,743,592,554,496
  5. Step 5: Solve for x
    x = 2,184,197,137,743,592,554,496/66,629,368,926.75
  6. Step 6: Final answer
    x = 32,781,297,090.55

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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.