Home / 121,996,986.50-183,001,365.22-40,114,051.94

Finding the Fourth Proportional to 121,996,986.50, 183,001,365.22 and 40,114,051.94

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Solution

The fourth proportional to 121,996,986.50, 183,001,365.22 and 40,114,051.94 is: 60,173,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,996,986.50 : 183,001,365.22 = 40,114,051.94 : x
  2. Step 2: Convert to fraction form
    121,996,986.50/183,001,365.22 = 40,114,051.94/x
  3. Step 3: Cross multiply
    121,996,986.50x = 183,001,365.22 × 40,114,051.94
  4. Step 4: Simplify right side
    121,996,986.50x = 7,340,926,269,525,989
  5. Step 5: Solve for x
    x = 7,340,926,269,525,989/121,996,986.50
  6. Step 6: Final answer
    x = 60,173,013.12

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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.