Home / 207,052,912,548.89-310,610,423,121.81-72,723,726,409.70

Finding the Fourth Proportional to 207,052,912,548.89, 310,610,423,121.81 and 72,723,726,409.70

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Solution

The fourth proportional to 207,052,912,548.89, 310,610,423,121.81 and 72,723,726,409.70 is: 109,096,496,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,052,912,548.89 : 310,610,423,121.81 = 72,723,726,409.70 : x
  2. Step 2: Convert to fraction form
    207,052,912,548.89/310,610,423,121.81 = 72,723,726,409.70/x
  3. Step 3: Cross multiply
    207,052,912,548.89x = 310,610,423,121.81 × 72,723,726,409.70
  4. Step 4: Simplify right side
    207,052,912,548.89x = 22,588,747,431,111,664,074,752
  5. Step 5: Solve for x
    x = 22,588,747,431,111,664,074,752/207,052,912,548.89
  6. Step 6: Final answer
    x = 109,096,496,895.58

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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.