Home / 254,657,943.03-381,986,437.17-79,794,363.81

Finding the Fourth Proportional to 254,657,943.03, 381,986,437.17 and 79,794,363.81

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Solution

The fourth proportional to 254,657,943.03, 381,986,437.17 and 79,794,363.81 is: 119,691,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,943.03 : 381,986,437.17 = 79,794,363.81 : x
  2. Step 2: Convert to fraction form
    254,657,943.03/381,986,437.17 = 79,794,363.81/x
  3. Step 3: Cross multiply
    254,657,943.03x = 381,986,437.17 × 79,794,363.81
  4. Step 4: Simplify right side
    254,657,943.03x = 30,480,364,738,028,688
  5. Step 5: Solve for x
    x = 30,480,364,738,028,688/254,657,943.03
  6. Step 6: Final answer
    x = 119,691,396.13

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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.