Home / 210,316,557.80-315,474,836.70-124,096,269.80

Finding the Fourth Proportional to 210,316,557.80, 315,474,836.70 and 124,096,269.80

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Solution

The fourth proportional to 210,316,557.80, 315,474,836.70 and 124,096,269.80 is: 186,144,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,557.80 : 315,474,836.70 = 124,096,269.80 : x
  2. Step 2: Convert to fraction form
    210,316,557.80/315,474,836.70 = 124,096,269.80/x
  3. Step 3: Cross multiply
    210,316,557.80x = 315,474,836.70 × 124,096,269.80
  4. Step 4: Simplify right side
    210,316,557.80x = 39,149,250,450,234,136
  5. Step 5: Solve for x
    x = 39,149,250,450,234,136/210,316,557.80
  6. Step 6: Final answer
    x = 186,144,404.70

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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.