Home / 30,048,000.80-45,072,001.20-18,104,064.80

Finding the Fourth Proportional to 30,048,000.80, 45,072,001.20 and 18,104,064.80

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Solution

The fourth proportional to 30,048,000.80, 45,072,001.20 and 18,104,064.80 is: 27,156,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048,000.80 : 45,072,001.20 = 18,104,064.80 : x
  2. Step 2: Convert to fraction form
    30,048,000.80/45,072,001.20 = 18,104,064.80/x
  3. Step 3: Cross multiply
    30,048,000.80x = 45,072,001.20 × 18,104,064.80
  4. Step 4: Simplify right side
    30,048,000.80x = 815,986,430,390,477.88
  5. Step 5: Solve for x
    x = 815,986,430,390,477.88/30,048,000.80
  6. Step 6: Final answer
    x = 27,156,097.20

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Similar ratio
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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.