Home / 120,965,706.30-181,448,559.45-69,947,370.30

Finding the Fourth Proportional to 120,965,706.30, 181,448,559.45 and 69,947,370.30

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Solution

The fourth proportional to 120,965,706.30, 181,448,559.45 and 69,947,370.30 is: 104,921,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,706.30 : 181,448,559.45 = 69,947,370.30 : x
  2. Step 2: Convert to fraction form
    120,965,706.30/181,448,559.45 = 69,947,370.30/x
  3. Step 3: Cross multiply
    120,965,706.30x = 181,448,559.45 × 69,947,370.30
  4. Step 4: Simplify right side
    120,965,706.30x = 12,691,849,578,250,712
  5. Step 5: Solve for x
    x = 12,691,849,578,250,712/120,965,706.30
  6. Step 6: Final answer
    x = 104,921,055.45

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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.