Home / 143,272,297,710.70-214,908,446,566.05-68,703,897,813.10

Finding the Fourth Proportional to 143,272,297,710.70, 214,908,446,566.05 and 68,703,897,813.10

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Solution

The fourth proportional to 143,272,297,710.70, 214,908,446,566.05 and 68,703,897,813.10 is: 103,055,846,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,272,297,710.70 : 214,908,446,566.05 = 68,703,897,813.10 : x
  2. Step 2: Convert to fraction form
    143,272,297,710.70/214,908,446,566.05 = 68,703,897,813.10/x
  3. Step 3: Cross multiply
    143,272,297,710.70x = 214,908,446,566.05 × 68,703,897,813.10
  4. Step 4: Simplify right side
    143,272,297,710.70x = 14,765,047,952,045,959,544,832
  5. Step 5: Solve for x
    x = 14,765,047,952,045,959,544,832/143,272,297,710.70
  6. Step 6: Final answer
    x = 103,055,846,719.65

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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.