Home / 85,215,130.32-127,828,076.46-36,021,810.60

Finding the Fourth Proportional to 85,215,130.32, 127,828,076.46 and 36,021,810.60

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Solution

The fourth proportional to 85,215,130.32, 127,828,076.46 and 36,021,810.60 is: 54,034,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215,130.32 : 127,828,076.46 = 36,021,810.60 : x
  2. Step 2: Convert to fraction form
    85,215,130.32/127,828,076.46 = 36,021,810.60/x
  3. Step 3: Cross multiply
    85,215,130.32x = 127,828,076.46 × 36,021,810.60
  4. Step 4: Simplify right side
    85,215,130.32x = 4,604,598,759,604,438
  5. Step 5: Solve for x
    x = 4,604,598,759,604,438/85,215,130.32
  6. Step 6: Final answer
    x = 54,034,990.53

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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.