Home / 77,812,461.34-116,603,269.40-31,697,997.17

Finding the Fourth Proportional to 77,812,461.34, 116,603,269.40 and 31,697,997.17

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Solution

The fourth proportional to 77,812,461.34, 116,603,269.40 and 31,697,997.17 is: 47,499,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,812,461.34 : 116,603,269.40 = 31,697,997.17 : x
  2. Step 2: Convert to fraction form
    77,812,461.34/116,603,269.40 = 31,697,997.17/x
  3. Step 3: Cross multiply
    77,812,461.34x = 116,603,269.40 × 31,697,997.17
  4. Step 4: Simplify right side
    77,812,461.34x = 3,696,090,102,950,176.50
  5. Step 5: Solve for x
    x = 3,696,090,102,950,176.50/77,812,461.34
  6. Step 6: Final answer
    x = 47,499,976.73

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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.