Home / 79,943,273.80-119,914,910.70-19,358,999.80

Finding the Fourth Proportional to 79,943,273.80, 119,914,910.70 and 19,358,999.80

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Solution

The fourth proportional to 79,943,273.80, 119,914,910.70 and 19,358,999.80 is: 29,038,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,943,273.80 : 119,914,910.70 = 19,358,999.80 : x
  2. Step 2: Convert to fraction form
    79,943,273.80/119,914,910.70 = 19,358,999.80/x
  3. Step 3: Cross multiply
    79,943,273.80x = 119,914,910.70 × 19,358,999.80
  4. Step 4: Simplify right side
    79,943,273.80x = 2,321,432,732,258,318
  5. Step 5: Solve for x
    x = 2,321,432,732,258,318/79,943,273.80
  6. Step 6: Final answer
    x = 29,038,499.70

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1.5x scale

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.