Home / 239,250,036.54-358,938,852.36-85,897,421.58

Finding the Fourth Proportional to 239,250,036.54, 358,938,852.36 and 85,897,421.58

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Solution

The fourth proportional to 239,250,036.54, 358,938,852.36 and 85,897,421.58 is: 128,869,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,250,036.54 : 358,938,852.36 = 85,897,421.58 : x
  2. Step 2: Convert to fraction form
    239,250,036.54/358,938,852.36 = 85,897,421.58/x
  3. Step 3: Cross multiply
    239,250,036.54x = 358,938,852.36 × 85,897,421.58
  4. Step 4: Simplify right side
    239,250,036.54x = 30,831,921,922,608,300
  5. Step 5: Solve for x
    x = 30,831,921,922,608,300/239,250,036.54
  6. Step 6: Final answer
    x = 128,869,037.47

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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.