Home / 121,736,374.77-168,218,642.79-88,638,967.47

Finding the Fourth Proportional to 121,736,374.77, 168,218,642.79 and 88,638,967.47

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Solution

The fourth proportional to 121,736,374.77, 168,218,642.79 and 88,638,967.47 is: 122,483,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,736,374.77 : 168,218,642.79 = 88,638,967.47 : x
  2. Step 2: Convert to fraction form
    121,736,374.77/168,218,642.79 = 88,638,967.47/x
  3. Step 3: Cross multiply
    121,736,374.77x = 168,218,642.79 × 88,638,967.47
  4. Step 4: Simplify right side
    121,736,374.77x = 14,910,726,806,110,360
  5. Step 5: Solve for x
    x = 14,910,726,806,110,360/121,736,374.77
  6. Step 6: Final answer
    x = 122,483,742.71

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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.