Home / 371,908,325.45-513,218,077.30-202,363,263.24

Finding the Fourth Proportional to 371,908,325.45, 513,218,077.30 and 202,363,263.24

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Solution

The fourth proportional to 371,908,325.45, 513,218,077.30 and 202,363,263.24 is: 279,252,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,908,325.45 : 513,218,077.30 = 202,363,263.24 : x
  2. Step 2: Convert to fraction form
    371,908,325.45/513,218,077.30 = 202,363,263.24/x
  3. Step 3: Cross multiply
    371,908,325.45x = 513,218,077.30 × 202,363,263.24
  4. Step 4: Simplify right side
    371,908,325.45x = 103,856,484,876,186,576
  5. Step 5: Solve for x
    x = 103,856,484,876,186,576/371,908,325.45
  6. Step 6: Final answer
    x = 279,252,917.37

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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.