Home / 94,846,784.55-130,816,347.11-81,638,441.79

Finding the Fourth Proportional to 94,846,784.55, 130,816,347.11 and 81,638,441.79

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Solution

The fourth proportional to 94,846,784.55, 130,816,347.11 and 81,638,441.79 is: 112,598,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,846,784.55 : 130,816,347.11 = 81,638,441.79 : x
  2. Step 2: Convert to fraction form
    94,846,784.55/130,816,347.11 = 81,638,441.79/x
  3. Step 3: Cross multiply
    94,846,784.55x = 130,816,347.11 × 81,638,441.79
  4. Step 4: Simplify right side
    94,846,784.55x = 10,679,642,738,720,170
  5. Step 5: Solve for x
    x = 10,679,642,738,720,170/94,846,784.55
  6. Step 6: Final answer
    x = 112,598,890.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.