Home / 125,341,344,010.60-188,012,016,015.90-80,710,503,677.80

Finding the Fourth Proportional to 125,341,344,010.60, 188,012,016,015.90 and 80,710,503,677.80

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Solution

The fourth proportional to 125,341,344,010.60, 188,012,016,015.90 and 80,710,503,677.80 is: 121,065,755,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341,344,010.60 : 188,012,016,015.90 = 80,710,503,677.80 : x
  2. Step 2: Convert to fraction form
    125,341,344,010.60/188,012,016,015.90 = 80,710,503,677.80/x
  3. Step 3: Cross multiply
    125,341,344,010.60x = 188,012,016,015.90 × 80,710,503,677.80
  4. Step 4: Simplify right side
    125,341,344,010.60x = 15,174,544,510,121,888,710,656
  5. Step 5: Solve for x
    x = 15,174,544,510,121,888,710,656/125,341,344,010.60
  6. Step 6: Final answer
    x = 121,065,755,516.70

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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.