Home / 78,614,764,145.80-117,922,146,218.70-34,534,921,841.80

Finding the Fourth Proportional to 78,614,764,145.80, 117,922,146,218.70 and 34,534,921,841.80

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Solution

The fourth proportional to 78,614,764,145.80, 117,922,146,218.70 and 34,534,921,841.80 is: 51,802,382,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,614,764,145.80 : 117,922,146,218.70 = 34,534,921,841.80 : x
  2. Step 2: Convert to fraction form
    78,614,764,145.80/117,922,146,218.70 = 34,534,921,841.80/x
  3. Step 3: Cross multiply
    78,614,764,145.80x = 117,922,146,218.70 × 34,534,921,841.80
  4. Step 4: Simplify right side
    78,614,764,145.80x = 4,072,432,103,080,116,355,072
  5. Step 5: Solve for x
    x = 4,072,432,103,080,116,355,072/78,614,764,145.80
  6. Step 6: Final answer
    x = 51,802,382,762.70

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Double scale
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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.