Home / 139,083,830.36-208,540,714.98-66,322,865.24

Finding the Fourth Proportional to 139,083,830.36, 208,540,714.98 and 66,322,865.24

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Solution

The fourth proportional to 139,083,830.36, 208,540,714.98 and 66,322,865.24 is: 99,443,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,083,830.36 : 208,540,714.98 = 66,322,865.24 : x
  2. Step 2: Convert to fraction form
    139,083,830.36/208,540,714.98 = 66,322,865.24/x
  3. Step 3: Cross multiply
    139,083,830.36x = 208,540,714.98 × 66,322,865.24
  4. Step 4: Simplify right side
    139,083,830.36x = 13,831,017,736,671,790
  5. Step 5: Solve for x
    x = 13,831,017,736,671,790/139,083,830.36
  6. Step 6: Final answer
    x = 99,443,750.58

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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.