Home / 30,301,099.80-45,451,649.70-15,149,563.80

Finding the Fourth Proportional to 30,301,099.80, 45,451,649.70 and 15,149,563.80

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Solution

The fourth proportional to 30,301,099.80, 45,451,649.70 and 15,149,563.80 is: 22,724,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301,099.80 : 45,451,649.70 = 15,149,563.80 : x
  2. Step 2: Convert to fraction form
    30,301,099.80/45,451,649.70 = 15,149,563.80/x
  3. Step 3: Cross multiply
    30,301,099.80x = 45,451,649.70 × 15,149,563.80
  4. Step 4: Simplify right side
    30,301,099.80x = 688,572,666,945,401
  5. Step 5: Solve for x
    x = 688,572,666,945,401/30,301,099.80
  6. Step 6: Final answer
    x = 22,724,345.70

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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.