Home / 208,761,468,894.45-312,973,218,424.66-65,266,634,631.85

Finding the Fourth Proportional to 208,761,468,894.45, 312,973,218,424.66 and 65,266,634,631.85

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Solution

The fourth proportional to 208,761,468,894.45, 312,973,218,424.66 and 65,266,634,631.85 is: 97,847,120,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,761,468,894.45 : 312,973,218,424.66 = 65,266,634,631.85 : x
  2. Step 2: Convert to fraction form
    208,761,468,894.45/312,973,218,424.66 = 65,266,634,631.85/x
  3. Step 3: Cross multiply
    208,761,468,894.45x = 312,973,218,424.66 × 65,266,634,631.85
  4. Step 4: Simplify right side
    208,761,468,894.45x = 20,426,708,696,474,901,807,104
  5. Step 5: Solve for x
    x = 20,426,708,696,474,901,807,104/208,761,468,894.45
  6. Step 6: Final answer
    x = 97,847,120,949.33

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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.