Home / 145,985,320.05-218,950,073.01-43,749,357.81

Finding the Fourth Proportional to 145,985,320.05, 218,950,073.01 and 43,749,357.81

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Solution

The fourth proportional to 145,985,320.05, 218,950,073.01 and 43,749,357.81 is: 65,615,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985,320.05 : 218,950,073.01 = 43,749,357.81 : x
  2. Step 2: Convert to fraction form
    145,985,320.05/218,950,073.01 = 43,749,357.81/x
  3. Step 3: Cross multiply
    145,985,320.05x = 218,950,073.01 × 43,749,357.81
  4. Step 4: Simplify right side
    145,985,320.05x = 9,578,925,086,640,114
  5. Step 5: Solve for x
    x = 9,578,925,086,640,114/145,985,320.05
  6. Step 6: Final answer
    x = 65,615,673.43

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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.