Home / 290,898,724.87-401,448,758.48-158,748,236.97

Finding the Fourth Proportional to 290,898,724.87, 401,448,758.48 and 158,748,236.97

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Solution

The fourth proportional to 290,898,724.87, 401,448,758.48 and 158,748,236.97 is: 219,077,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,898,724.87 : 401,448,758.48 = 158,748,236.97 : x
  2. Step 2: Convert to fraction form
    290,898,724.87/401,448,758.48 = 158,748,236.97/x
  3. Step 3: Cross multiply
    290,898,724.87x = 401,448,758.48 × 158,748,236.97
  4. Step 4: Simplify right side
    290,898,724.87x = 63,729,282,642,495,336
  5. Step 5: Solve for x
    x = 63,729,282,642,495,336/290,898,724.87
  6. Step 6: Final answer
    x = 219,077,215.52

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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.