Home / 257,047,150.98-385,583,126.76-84,520,144.74

Finding the Fourth Proportional to 257,047,150.98, 385,583,126.76 and 84,520,144.74

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Solution

The fourth proportional to 257,047,150.98, 385,583,126.76 and 84,520,144.74 is: 126,784,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,047,150.98 : 385,583,126.76 = 84,520,144.74 : x
  2. Step 2: Convert to fraction form
    257,047,150.98/385,583,126.76 = 84,520,144.74/x
  3. Step 3: Cross multiply
    257,047,150.98x = 385,583,126.76 × 84,520,144.74
  4. Step 4: Simplify right side
    257,047,150.98x = 32,589,541,683,056,964
  5. Step 5: Solve for x
    x = 32,589,541,683,056,964/257,047,150.98
  6. Step 6: Final answer
    x = 126,784,294.47

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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.