Home / 121,229,043.50-181,845,139.89-40,450,011.50

Finding the Fourth Proportional to 121,229,043.50, 181,845,139.89 and 40,450,011.50

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Solution

The fourth proportional to 121,229,043.50, 181,845,139.89 and 40,450,011.50 is: 60,675,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229,043.50 : 181,845,139.89 = 40,450,011.50 : x
  2. Step 2: Convert to fraction form
    121,229,043.50/181,845,139.89 = 40,450,011.50/x
  3. Step 3: Cross multiply
    121,229,043.50x = 181,845,139.89 × 40,450,011.50
  4. Step 4: Simplify right side
    121,229,043.50x = 7,355,637,999,769,608
  5. Step 5: Solve for x
    x = 7,355,637,999,769,608/121,229,043.50
  6. Step 6: Final answer
    x = 60,675,542.65

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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.