Home / 290,927,702.59-401,488,733.20-158,777,180.46

Finding the Fourth Proportional to 290,927,702.59, 401,488,733.20 and 158,777,180.46

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Solution

The fourth proportional to 290,927,702.59, 401,488,733.20 and 158,777,180.46 is: 219,117,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,927,702.59 : 401,488,733.20 = 158,777,180.46 : x
  2. Step 2: Convert to fraction form
    290,927,702.59/401,488,733.20 = 158,777,180.46/x
  3. Step 3: Cross multiply
    290,927,702.59x = 401,488,733.20 × 158,777,180.46
  4. Step 4: Simplify right side
    290,927,702.59x = 63,747,249,043,556,256
  5. Step 5: Solve for x
    x = 63,747,249,043,556,256/290,927,702.59
  6. Step 6: Final answer
    x = 219,117,149.99

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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.