Home / 143,709,458-215,582,114.25-56,259,678.93

Finding the Fourth Proportional to 143,709,458, 215,582,114.25 and 56,259,678.93

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Solution

The fourth proportional to 143,709,458, 215,582,114.25 and 56,259,678.93 is: 84,396,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,709,458 : 215,582,114.25 = 56,259,678.93 : x
  2. Step 2: Convert to fraction form
    143,709,458/215,582,114.25 = 56,259,678.93/x
  3. Step 3: Cross multiply
    143,709,458x = 215,582,114.25 × 56,259,678.93
  4. Step 4: Simplify right side
    143,709,458x = 12,128,580,530,755,578
  5. Step 5: Solve for x
    x = 12,128,580,530,755,578/143,709,458
  6. Step 6: Final answer
    x = 84,396,536.59

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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.