Home / 131,573,402.64-181,572,732.48-72,837,048.96

Finding the Fourth Proportional to 131,573,402.64, 181,572,732.48 and 72,837,048.96

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Solution

The fourth proportional to 131,573,402.64, 181,572,732.48 and 72,837,048.96 is: 100,515,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573,402.64 : 181,572,732.48 = 72,837,048.96 : x
  2. Step 2: Convert to fraction form
    131,573,402.64/181,572,732.48 = 72,837,048.96/x
  3. Step 3: Cross multiply
    131,573,402.64x = 181,572,732.48 × 72,837,048.96
  4. Step 4: Simplify right side
    131,573,402.64x = 13,225,222,005,446,740
  5. Step 5: Solve for x
    x = 13,225,222,005,446,740/131,573,402.64
  6. Step 6: Final answer
    x = 100,515,922.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.