Home / 139,901,972,073.60-209,852,958,110.40-137,112,544,552.80

Finding the Fourth Proportional to 139,901,972,073.60, 209,852,958,110.40 and 137,112,544,552.80

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Solution

The fourth proportional to 139,901,972,073.60, 209,852,958,110.40 and 137,112,544,552.80 is: 205,668,816,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,901,972,073.60 : 209,852,958,110.40 = 137,112,544,552.80 : x
  2. Step 2: Convert to fraction form
    139,901,972,073.60/209,852,958,110.40 = 137,112,544,552.80/x
  3. Step 3: Cross multiply
    139,901,972,073.60x = 209,852,958,110.40 × 137,112,544,552.80
  4. Step 4: Simplify right side
    139,901,972,073.60x = 28,773,473,068,449,091,551,232
  5. Step 5: Solve for x
    x = 28,773,473,068,449,091,551,232/139,901,972,073.60
  6. Step 6: Final answer
    x = 205,668,816,829.20

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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.