Home / 101,143,279.67-139,577,726.07-54,733,533.57

Finding the Fourth Proportional to 101,143,279.67, 139,577,726.07 and 54,733,533.57

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Solution

The fourth proportional to 101,143,279.67, 139,577,726.07 and 54,733,533.57 is: 75,532,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,279.67 : 139,577,726.07 = 54,733,533.57 : x
  2. Step 2: Convert to fraction form
    101,143,279.67/139,577,726.07 = 54,733,533.57/x
  3. Step 3: Cross multiply
    101,143,279.67x = 139,577,726.07 × 54,733,533.57
  4. Step 4: Simplify right side
    101,143,279.67x = 7,639,582,155,476,609
  5. Step 5: Solve for x
    x = 7,639,582,155,476,609/101,143,279.67
  6. Step 6: Final answer
    x = 75,532,276.40

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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.