Home / 239,250,037.54-358,938,853.86-85,897,422.58

Finding the Fourth Proportional to 239,250,037.54, 358,938,853.86 and 85,897,422.58

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Solution

The fourth proportional to 239,250,037.54, 358,938,853.86 and 85,897,422.58 is: 128,869,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,250,037.54 : 358,938,853.86 = 85,897,422.58 : x
  2. Step 2: Convert to fraction form
    239,250,037.54/358,938,853.86 = 85,897,422.58/x
  3. Step 3: Cross multiply
    239,250,037.54x = 358,938,853.86 × 85,897,422.58
  4. Step 4: Simplify right side
    239,250,037.54x = 30,831,922,410,393,284
  5. Step 5: Solve for x
    x = 30,831,922,410,393,284/239,250,037.54
  6. Step 6: Final answer
    x = 128,869,038.97

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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.