Home / 143,902,670.85-215,805,669.93-46,835,549.93

Finding the Fourth Proportional to 143,902,670.85, 215,805,669.93 and 46,835,549.93

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Solution

The fourth proportional to 143,902,670.85, 215,805,669.93 and 46,835,549.93 is: 70,237,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,902,670.85 : 215,805,669.93 = 46,835,549.93 : x
  2. Step 2: Convert to fraction form
    143,902,670.85/215,805,669.93 = 46,835,549.93/x
  3. Step 3: Cross multiply
    143,902,670.85x = 215,805,669.93 × 46,835,549.93
  4. Step 4: Simplify right side
    143,902,670.85x = 10,107,377,229,723,128
  5. Step 5: Solve for x
    x = 10,107,377,229,723,128/143,902,670.85
  6. Step 6: Final answer
    x = 70,237,593.02

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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.