Home / 79,830,920.80-119,793,620.40-52,615,892.80

Finding the Fourth Proportional to 79,830,920.80, 119,793,620.40 and 52,615,892.80

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Solution

The fourth proportional to 79,830,920.80, 119,793,620.40 and 52,615,892.80 is: 78,954,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830,920.80 : 119,793,620.40 = 52,615,892.80 : x
  2. Step 2: Convert to fraction form
    79,830,920.80/119,793,620.40 = 52,615,892.80/x
  3. Step 3: Cross multiply
    79,830,920.80x = 119,793,620.40 × 52,615,892.80
  4. Step 4: Simplify right side
    79,830,920.80x = 6,303,048,289,090,293
  5. Step 5: Solve for x
    x = 6,303,048,289,090,293/79,830,920.80
  6. Step 6: Final answer
    x = 78,954,974.16

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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.