Home / 51,085,777.40-76,628,666.10-45,543,044.60

Finding the Fourth Proportional to 51,085,777.40, 76,628,666.10 and 45,543,044.60

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Solution

The fourth proportional to 51,085,777.40, 76,628,666.10 and 45,543,044.60 is: 68,314,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085,777.40 : 76,628,666.10 = 45,543,044.60 : x
  2. Step 2: Convert to fraction form
    51,085,777.40/76,628,666.10 = 45,543,044.60/x
  3. Step 3: Cross multiply
    51,085,777.40x = 76,628,666.10 × 45,543,044.60
  4. Step 4: Simplify right side
    51,085,777.40x = 3,489,902,757,830,808
  5. Step 5: Solve for x
    x = 3,489,902,757,830,808/51,085,777.40
  6. Step 6: Final answer
    x = 68,314,566.90

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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.