Home / 207,052,912,547.89-310,610,423,120.31-72,723,726,408.70

Finding the Fourth Proportional to 207,052,912,547.89, 310,610,423,120.31 and 72,723,726,408.70

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Solution

The fourth proportional to 207,052,912,547.89, 310,610,423,120.31 and 72,723,726,408.70 is: 109,096,496,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,052,912,547.89 : 310,610,423,120.31 = 72,723,726,408.70 : x
  2. Step 2: Convert to fraction form
    207,052,912,547.89/310,610,423,120.31 = 72,723,726,408.70/x
  3. Step 3: Cross multiply
    207,052,912,547.89x = 310,610,423,120.31 × 72,723,726,408.70
  4. Step 4: Simplify right side
    207,052,912,547.89x = 22,588,747,430,691,969,433,600
  5. Step 5: Solve for x
    x = 22,588,747,430,691,969,433,600/207,052,912,547.89
  6. Step 6: Final answer
    x = 109,096,496,894.08

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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.