Home / 85,248,232.90-127,888,938.15-36,725,992.90

Finding the Fourth Proportional to 85,248,232.90, 127,888,938.15 and 36,725,992.90

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Solution

The fourth proportional to 85,248,232.90, 127,888,938.15 and 36,725,992.90 is: 55,096,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,232.90 : 127,888,938.15 = 36,725,992.90 : x
  2. Step 2: Convert to fraction form
    85,248,232.90/127,888,938.15 = 36,725,992.90/x
  3. Step 3: Cross multiply
    85,248,232.90x = 127,888,938.15 × 36,725,992.90
  4. Step 4: Simplify right side
    85,248,232.90x = 4,696,848,234,485,439
  5. Step 5: Solve for x
    x = 4,696,848,234,485,439/85,248,232.90
  6. Step 6: Final answer
    x = 55,096,136.01

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1.5x scale

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.