Home / 79,940,981,734.18-119,912,393,762.76-28,893,155,268.01

Finding the Fourth Proportional to 79,940,981,734.18, 119,912,393,762.76 and 28,893,155,268.01

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Solution

The fourth proportional to 79,940,981,734.18, 119,912,393,762.76 and 28,893,155,268.01 is: 43,340,065,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940,981,734.18 : 119,912,393,762.76 = 28,893,155,268.01 : x
  2. Step 2: Convert to fraction form
    79,940,981,734.18/119,912,393,762.76 = 28,893,155,268.01/x
  3. Step 3: Cross multiply
    79,940,981,734.18x = 119,912,393,762.76 × 28,893,155,268.01
  4. Step 4: Simplify right side
    79,940,981,734.18x = 3,464,647,411,546,178,191,360
  5. Step 5: Solve for x
    x = 3,464,647,411,546,178,191,360/79,940,981,734.18
  6. Step 6: Final answer
    x = 43,340,065,838.41

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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.