Home / 100,927,143.23-139,279,518.67-54,517,417.65

Finding the Fourth Proportional to 100,927,143.23, 139,279,518.67 and 54,517,417.65

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Solution

The fourth proportional to 100,927,143.23, 139,279,518.67 and 54,517,417.65 is: 75,234,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,143.23 : 139,279,518.67 = 54,517,417.65 : x
  2. Step 2: Convert to fraction form
    100,927,143.23/139,279,518.67 = 54,517,417.65/x
  3. Step 3: Cross multiply
    100,927,143.23x = 139,279,518.67 × 54,517,417.65
  4. Step 4: Simplify right side
    100,927,143.23x = 7,593,159,689,423,362
  5. Step 5: Solve for x
    x = 7,593,159,689,423,362/100,927,143.23
  6. Step 6: Final answer
    x = 75,234,069.31

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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.