Home / 66,431,201.70-99,646,802.55-37,255,090.80

Finding the Fourth Proportional to 66,431,201.70, 99,646,802.55 and 37,255,090.80

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Solution

The fourth proportional to 66,431,201.70, 99,646,802.55 and 37,255,090.80 is: 55,882,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,201.70 : 99,646,802.55 = 37,255,090.80 : x
  2. Step 2: Convert to fraction form
    66,431,201.70/99,646,802.55 = 37,255,090.80/x
  3. Step 3: Cross multiply
    66,431,201.70x = 99,646,802.55 × 37,255,090.80
  4. Step 4: Simplify right side
    66,431,201.70x = 3,712,350,676,929,921
  5. Step 5: Solve for x
    x = 3,712,350,676,929,921/66,431,201.70
  6. Step 6: Final answer
    x = 55,882,636.20

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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.