Home / 455,386,316.80-683,079,475.20-114,984,140.80

Finding the Fourth Proportional to 455,386,316.80, 683,079,475.20 and 114,984,140.80

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Solution

The fourth proportional to 455,386,316.80, 683,079,475.20 and 114,984,140.80 is: 172,476,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,386,316.80 : 683,079,475.20 = 114,984,140.80 : x
  2. Step 2: Convert to fraction form
    455,386,316.80/683,079,475.20 = 114,984,140.80/x
  3. Step 3: Cross multiply
    455,386,316.80x = 683,079,475.20 × 114,984,140.80
  4. Step 4: Simplify right side
    455,386,316.80x = 78,543,306,553,986,912
  5. Step 5: Solve for x
    x = 78,543,306,553,986,912/455,386,316.80
  6. Step 6: Final answer
    x = 172,476,211.20

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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.