Home / 290,898,726.12-401,448,760.20-158,748,238.22

Finding the Fourth Proportional to 290,898,726.12, 401,448,760.20 and 158,748,238.22

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Solution

The fourth proportional to 290,898,726.12, 401,448,760.20 and 158,748,238.22 is: 219,077,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,898,726.12 : 401,448,760.20 = 158,748,238.22 : x
  2. Step 2: Convert to fraction form
    290,898,726.12/401,448,760.20 = 158,748,238.22/x
  3. Step 3: Cross multiply
    290,898,726.12x = 401,448,760.20 × 158,748,238.22
  4. Step 4: Simplify right side
    290,898,726.12x = 63,729,283,415,346,008
  5. Step 5: Solve for x
    x = 63,729,283,415,346,008/290,898,726.12
  6. Step 6: Final answer
    x = 219,077,217.23

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1.5x scale

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.