Home / 121,996,968.50-183,001,338.22-40,114,033.94

Finding the Fourth Proportional to 121,996,968.50, 183,001,338.22 and 40,114,033.94

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Solution

The fourth proportional to 121,996,968.50, 183,001,338.22 and 40,114,033.94 is: 60,172,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,996,968.50 : 183,001,338.22 = 40,114,033.94 : x
  2. Step 2: Convert to fraction form
    121,996,968.50/183,001,338.22 = 40,114,033.94/x
  3. Step 3: Cross multiply
    121,996,968.50x = 183,001,338.22 × 40,114,033.94
  4. Step 4: Simplify right side
    121,996,968.50x = 7,340,921,892,422,499
  5. Step 5: Solve for x
    x = 7,340,921,892,422,499/121,996,968.50
  6. Step 6: Final answer
    x = 60,172,986.12

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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.