Home / 130,734,000.10-195,597,115.35-85,384,368.10

Finding the Fourth Proportional to 130,734,000.10, 195,597,115.35 and 85,384,368.10

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Solution

The fourth proportional to 130,734,000.10, 195,597,115.35 and 85,384,368.10 is: 127,747,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,000.10 : 195,597,115.35 = 85,384,368.10 : x
  2. Step 2: Convert to fraction form
    130,734,000.10/195,597,115.35 = 85,384,368.10/x
  3. Step 3: Cross multiply
    130,734,000.10x = 195,597,115.35 × 85,384,368.10
  4. Step 4: Simplify right side
    130,734,000.10x = 16,700,936,096,342,558
  5. Step 5: Solve for x
    x = 16,700,936,096,342,558/130,734,000.10
  6. Step 6: Final answer
    x = 127,747,457.31

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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.