Home / 131,140,703.25-180,990,041.49-74,639,187.27

Finding the Fourth Proportional to 131,140,703.25, 180,990,041.49 and 74,639,187.27

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Solution

The fourth proportional to 131,140,703.25, 180,990,041.49 and 74,639,187.27 is: 103,011,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,140,703.25 : 180,990,041.49 = 74,639,187.27 : x
  2. Step 2: Convert to fraction form
    131,140,703.25/180,990,041.49 = 74,639,187.27/x
  3. Step 3: Cross multiply
    131,140,703.25x = 180,990,041.49 × 74,639,187.27
  4. Step 4: Simplify right side
    131,140,703.25x = 13,508,949,600,777,180
  5. Step 5: Solve for x
    x = 13,508,949,600,777,180/131,140,703.25
  6. Step 6: Final answer
    x = 103,011,111.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.