Home / 68,962,371,883.51-103,496,356,165.67-31,215,455,451.65

Finding the Fourth Proportional to 68,962,371,883.51, 103,496,356,165.67 and 31,215,455,451.65

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Solution

The fourth proportional to 68,962,371,883.51, 103,496,356,165.67 and 31,215,455,451.65 is: 46,847,082,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962,371,883.51 : 103,496,356,165.67 = 31,215,455,451.65 : x
  2. Step 2: Convert to fraction form
    68,962,371,883.51/103,496,356,165.67 = 31,215,455,451.65/x
  3. Step 3: Cross multiply
    68,962,371,883.51x = 103,496,356,165.67 × 31,215,455,451.65
  4. Step 4: Simplify right side
    68,962,371,883.51x = 3,230,685,895,297,884,225,536
  5. Step 5: Solve for x
    x = 3,230,685,895,297,884,225,536/68,962,371,883.51
  6. Step 6: Final answer
    x = 46,847,082,068.98

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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.