Home / 292,608,772.20-438,714,092.70-139,328,260.20

Finding the Fourth Proportional to 292,608,772.20, 438,714,092.70 and 139,328,260.20

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Solution

The fourth proportional to 292,608,772.20, 438,714,092.70 and 139,328,260.20 is: 208,897,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,608,772.20 : 438,714,092.70 = 139,328,260.20 : x
  2. Step 2: Convert to fraction form
    292,608,772.20/438,714,092.70 = 139,328,260.20/x
  3. Step 3: Cross multiply
    292,608,772.20x = 438,714,092.70 × 139,328,260.20
  4. Step 4: Simplify right side
    292,608,772.20x = 61,125,271,261,112,512
  5. Step 5: Solve for x
    x = 61,125,271,261,112,512/292,608,772.20
  6. Step 6: Final answer
    x = 208,897,603.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.