Home / 274,897,167.40-412,345,751.10-121,464,245.80

Finding the Fourth Proportional to 274,897,167.40, 412,345,751.10 and 121,464,245.80

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Solution

The fourth proportional to 274,897,167.40, 412,345,751.10 and 121,464,245.80 is: 182,196,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,897,167.40 : 412,345,751.10 = 121,464,245.80 : x
  2. Step 2: Convert to fraction form
    274,897,167.40/412,345,751.10 = 121,464,245.80/x
  3. Step 3: Cross multiply
    274,897,167.40x = 412,345,751.10 × 121,464,245.80
  4. Step 4: Simplify right side
    274,897,167.40x = 50,085,265,666,196,024
  5. Step 5: Solve for x
    x = 50,085,265,666,196,024/274,897,167.40
  6. Step 6: Final answer
    x = 182,196,368.70

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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.