Home / 65,429,663.51-90,291,764.22-35,660,579.68

Finding the Fourth Proportional to 65,429,663.51, 90,291,764.22 and 35,660,579.68

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Solution

The fourth proportional to 65,429,663.51, 90,291,764.22 and 35,660,579.68 is: 49,210,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429,663.51 : 90,291,764.22 = 35,660,579.68 : x
  2. Step 2: Convert to fraction form
    65,429,663.51/90,291,764.22 = 35,660,579.68/x
  3. Step 3: Cross multiply
    65,429,663.51x = 90,291,764.22 × 35,660,579.68
  4. Step 4: Simplify right side
    65,429,663.51x = 3,219,856,652,646,537
  5. Step 5: Solve for x
    x = 3,219,856,652,646,537/65,429,663.51
  6. Step 6: Final answer
    x = 49,210,961.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.