Home / 110,663,999.80-165,995,999.70-72,443,404.60

Finding the Fourth Proportional to 110,663,999.80, 165,995,999.70 and 72,443,404.60

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Solution

The fourth proportional to 110,663,999.80, 165,995,999.70 and 72,443,404.60 is: 108,665,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,663,999.80 : 165,995,999.70 = 72,443,404.60 : x
  2. Step 2: Convert to fraction form
    110,663,999.80/165,995,999.70 = 72,443,404.60/x
  3. Step 3: Cross multiply
    110,663,999.80x = 165,995,999.70 × 72,443,404.60
  4. Step 4: Simplify right side
    110,663,999.80x = 12,025,315,368,248,576
  5. Step 5: Solve for x
    x = 12,025,315,368,248,576/110,663,999.80
  6. Step 6: Final answer
    x = 108,665,106.90

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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.