Home / 120,934,943,999.70-181,402,415,999.55-109,180,319,385.30

Finding the Fourth Proportional to 120,934,943,999.70, 181,402,415,999.55 and 109,180,319,385.30

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Solution

The fourth proportional to 120,934,943,999.70, 181,402,415,999.55 and 109,180,319,385.30 is: 163,770,479,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934,943,999.70 : 181,402,415,999.55 = 109,180,319,385.30 : x
  2. Step 2: Convert to fraction form
    120,934,943,999.70/181,402,415,999.55 = 109,180,319,385.30/x
  3. Step 3: Cross multiply
    120,934,943,999.70x = 181,402,415,999.55 × 109,180,319,385.30
  4. Step 4: Simplify right side
    120,934,943,999.70x = 19,805,573,716,095,923,126,272
  5. Step 5: Solve for x
    x = 19,805,573,716,095,923,126,272/120,934,943,999.70
  6. Step 6: Final answer
    x = 163,770,479,077.95

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1.5x scale

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.