Home / 253,182,482.70-379,841,897.96-130,293,837.33

Finding the Fourth Proportional to 253,182,482.70, 379,841,897.96 and 130,293,837.33

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Solution

The fourth proportional to 253,182,482.70, 379,841,897.96 and 130,293,837.33 is: 195,475,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182,482.70 : 379,841,897.96 = 130,293,837.33 : x
  2. Step 2: Convert to fraction form
    253,182,482.70/379,841,897.96 = 130,293,837.33/x
  3. Step 3: Cross multiply
    253,182,482.70x = 379,841,897.96 × 130,293,837.33
  4. Step 4: Simplify right side
    253,182,482.70x = 49,491,058,463,267,224
  5. Step 5: Solve for x
    x = 49,491,058,463,267,224/253,182,482.70
  6. Step 6: Final answer
    x = 195,475,839.94

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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.