Home / 30,333,050.40-45,499,575.60-20,129,383.20

Finding the Fourth Proportional to 30,333,050.40, 45,499,575.60 and 20,129,383.20

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Solution

The fourth proportional to 30,333,050.40, 45,499,575.60 and 20,129,383.20 is: 30,194,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333,050.40 : 45,499,575.60 = 20,129,383.20 : x
  2. Step 2: Convert to fraction form
    30,333,050.40/45,499,575.60 = 20,129,383.20/x
  3. Step 3: Cross multiply
    30,333,050.40x = 45,499,575.60 × 20,129,383.20
  4. Step 4: Simplify right side
    30,333,050.40x = 915,878,392,689,769.88
  5. Step 5: Solve for x
    x = 915,878,392,689,769.88/30,333,050.40
  6. Step 6: Final answer
    x = 30,194,074.80

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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.