Home / 121,205,459.37-181,833,722.98-39,317,943.69

Finding the Fourth Proportional to 121,205,459.37, 181,833,722.98 and 39,317,943.69

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Solution

The fourth proportional to 121,205,459.37, 181,833,722.98 and 39,317,943.69 is: 58,985,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205,459.37 : 181,833,722.98 = 39,317,943.69 : x
  2. Step 2: Convert to fraction form
    121,205,459.37/181,833,722.98 = 39,317,943.69/x
  3. Step 3: Cross multiply
    121,205,459.37x = 181,833,722.98 × 39,317,943.69
  4. Step 4: Simplify right side
    121,205,459.37x = 7,149,328,080,461,087
  5. Step 5: Solve for x
    x = 7,149,328,080,461,087/121,205,459.37
  6. Step 6: Final answer
    x = 58,985,198.50

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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.