Home / 290,927,701.85-401,488,732.16-158,777,179.71

Finding the Fourth Proportional to 290,927,701.85, 401,488,732.16 and 158,777,179.71

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Solution

The fourth proportional to 290,927,701.85, 401,488,732.16 and 158,777,179.71 is: 219,117,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,927,701.85 : 401,488,732.16 = 158,777,179.71 : x
  2. Step 2: Convert to fraction form
    290,927,701.85/401,488,732.16 = 158,777,179.71/x
  3. Step 3: Cross multiply
    290,927,701.85x = 401,488,732.16 × 158,777,179.71
  4. Step 4: Simplify right side
    290,927,701.85x = 63,747,248,576,914,488
  5. Step 5: Solve for x
    x = 63,747,248,576,914,488/290,927,701.85
  6. Step 6: Final answer
    x = 219,117,148.94

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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.