Home / 123,069,214.08-169,887,809.21-76,682,386.40

Finding the Fourth Proportional to 123,069,214.08, 169,887,809.21 and 76,682,386.40

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Solution

The fourth proportional to 123,069,214.08, 169,887,809.21 and 76,682,386.40 is: 105,854,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,214.08 : 169,887,809.21 = 76,682,386.40 : x
  2. Step 2: Convert to fraction form
    123,069,214.08/169,887,809.21 = 76,682,386.40/x
  3. Step 3: Cross multiply
    123,069,214.08x = 169,887,809.21 × 76,682,386.40
  4. Step 4: Simplify right side
    123,069,214.08x = 13,027,402,629,257,848
  5. Step 5: Solve for x
    x = 13,027,402,629,257,848/123,069,214.08
  6. Step 6: Final answer
    x = 105,854,276.61

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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.