Home / 121,727,643.49-182,619,459.38-39,849,162.85

Finding the Fourth Proportional to 121,727,643.49, 182,619,459.38 and 39,849,162.85

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Solution

The fourth proportional to 121,727,643.49, 182,619,459.38 and 39,849,162.85 is: 59,782,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,727,643.49 : 182,619,459.38 = 39,849,162.85 : x
  2. Step 2: Convert to fraction form
    121,727,643.49/182,619,459.38 = 39,849,162.85/x
  3. Step 3: Cross multiply
    121,727,643.49x = 182,619,459.38 × 39,849,162.85
  4. Step 4: Simplify right side
    121,727,643.49x = 7,277,232,576,412,580
  5. Step 5: Solve for x
    x = 7,277,232,576,412,580/121,727,643.49
  6. Step 6: Final answer
    x = 59,782,908.53

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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.