Home / 79,330,057.40-118,995,086.10-45,254,847.80

Finding the Fourth Proportional to 79,330,057.40, 118,995,086.10 and 45,254,847.80

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Solution

The fourth proportional to 79,330,057.40, 118,995,086.10 and 45,254,847.80 is: 67,882,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330,057.40 : 118,995,086.10 = 45,254,847.80 : x
  2. Step 2: Convert to fraction form
    79,330,057.40/118,995,086.10 = 45,254,847.80/x
  3. Step 3: Cross multiply
    79,330,057.40x = 118,995,086.10 × 45,254,847.80
  4. Step 4: Simplify right side
    79,330,057.40x = 5,385,104,510,403,395
  5. Step 5: Solve for x
    x = 5,385,104,510,403,395/79,330,057.40
  6. Step 6: Final answer
    x = 67,882,271.70

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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.