Home / 79,507,225.80-119,197,853.10-43,605,433.80

Finding the Fourth Proportional to 79,507,225.80, 119,197,853.10 and 43,605,433.80

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Solution

The fourth proportional to 79,507,225.80, 119,197,853.10 and 43,605,433.80 is: 65,373,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507,225.80 : 119,197,853.10 = 43,605,433.80 : x
  2. Step 2: Convert to fraction form
    79,507,225.80/119,197,853.10 = 43,605,433.80/x
  3. Step 3: Cross multiply
    79,507,225.80x = 119,197,853.10 × 43,605,433.80
  4. Step 4: Simplify right side
    79,507,225.80x = 5,197,674,092,454,174
  5. Step 5: Solve for x
    x = 5,197,674,092,454,174/79,507,225.80
  6. Step 6: Final answer
    x = 65,373,606.49

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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.