Home / 136,256,409.15-204,141,036.60-82,920,399.90

Finding the Fourth Proportional to 136,256,409.15, 204,141,036.60 and 82,920,399.90

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Solution

The fourth proportional to 136,256,409.15, 204,141,036.60 and 82,920,399.90 is: 124,232,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,256,409.15 : 204,141,036.60 = 82,920,399.90 : x
  2. Step 2: Convert to fraction form
    136,256,409.15/204,141,036.60 = 82,920,399.90/x
  3. Step 3: Cross multiply
    136,256,409.15x = 204,141,036.60 × 82,920,399.90
  4. Step 4: Simplify right side
    136,256,409.15x = 16,927,456,390,872,538
  5. Step 5: Solve for x
    x = 16,927,456,390,872,538/136,256,409.15
  6. Step 6: Final answer
    x = 124,232,368.20

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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.