Home / 194,152,013.20-291,228,019.80-55,977,353.20

Finding the Fourth Proportional to 194,152,013.20, 291,228,019.80 and 55,977,353.20

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Solution

The fourth proportional to 194,152,013.20, 291,228,019.80 and 55,977,353.20 is: 83,966,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,152,013.20 : 291,228,019.80 = 55,977,353.20 : x
  2. Step 2: Convert to fraction form
    194,152,013.20/291,228,019.80 = 55,977,353.20/x
  3. Step 3: Cross multiply
    194,152,013.20x = 291,228,019.80 × 55,977,353.20
  4. Step 4: Simplify right side
    194,152,013.20x = 16,302,173,726,081,194
  5. Step 5: Solve for x
    x = 16,302,173,726,081,194/194,152,013.20
  6. Step 6: Final answer
    x = 83,966,029.80

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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.