Home / 121,014,007.80-181,304,498.70-73,604,221.80

Finding the Fourth Proportional to 121,014,007.80, 181,304,498.70 and 73,604,221.80

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Solution

The fourth proportional to 121,014,007.80, 181,304,498.70 and 73,604,221.80 is: 110,274,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014,007.80 : 181,304,498.70 = 73,604,221.80 : x
  2. Step 2: Convert to fraction form
    121,014,007.80/181,304,498.70 = 73,604,221.80/x
  3. Step 3: Cross multiply
    121,014,007.80x = 181,304,498.70 × 73,604,221.80
  4. Step 4: Simplify right side
    121,014,007.80x = 13,344,776,535,652,610
  5. Step 5: Solve for x
    x = 13,344,776,535,652,610/121,014,007.80
  6. Step 6: Final answer
    x = 110,274,643.23

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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.