Home / 373,721,123.70-560,413,723.95-143,613,731.70

Finding the Fourth Proportional to 373,721,123.70, 560,413,723.95 and 143,613,731.70

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Solution

The fourth proportional to 373,721,123.70, 560,413,723.95 and 143,613,731.70 is: 215,356,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721,123.70 : 560,413,723.95 = 143,613,731.70 : x
  2. Step 2: Convert to fraction form
    373,721,123.70/560,413,723.95 = 143,613,731.70/x
  3. Step 3: Cross multiply
    373,721,123.70x = 560,413,723.95 × 143,613,731.70
  4. Step 4: Simplify right side
    373,721,123.70x = 80,483,106,192,353,168
  5. Step 5: Solve for x
    x = 80,483,106,192,353,168/373,721,123.70
  6. Step 6: Final answer
    x = 215,356,053.19

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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.