Home / 210,004,013.70-315,006,020.55-210,004,013.70

Finding the Fourth Proportional to 210,004,013.70, 315,006,020.55 and 210,004,013.70

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Solution

The fourth proportional to 210,004,013.70, 315,006,020.55 and 210,004,013.70 is: 315,006,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004,013.70 : 315,006,020.55 = 210,004,013.70 : x
  2. Step 2: Convert to fraction form
    210,004,013.70/315,006,020.55 = 210,004,013.70/x
  3. Step 3: Cross multiply
    210,004,013.70x = 315,006,020.55 × 210,004,013.70
  4. Step 4: Simplify right side
    210,004,013.70x = 66,152,528,655,164,680
  5. Step 5: Solve for x
    x = 66,152,528,655,164,680/210,004,013.70
  6. Step 6: Final answer
    x = 315,006,020.55

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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.