Home / 70,561,898.30-105,688,532.72-50,029,380.02

Finding the Fourth Proportional to 70,561,898.30, 105,688,532.72 and 50,029,380.02

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Solution

The fourth proportional to 70,561,898.30, 105,688,532.72 and 50,029,380.02 is: 74,934,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,561,898.30 : 105,688,532.72 = 50,029,380.02 : x
  2. Step 2: Convert to fraction form
    70,561,898.30/105,688,532.72 = 50,029,380.02/x
  3. Step 3: Cross multiply
    70,561,898.30x = 105,688,532.72 × 50,029,380.02
  4. Step 4: Simplify right side
    70,561,898.30x = 5,287,531,767,205,085
  5. Step 5: Solve for x
    x = 5,287,531,767,205,085/70,561,898.30
  6. Step 6: Final answer
    x = 74,934,658.71

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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.