Home / 163,422,923.76-225,521,800.36-89,081,856.61

Finding the Fourth Proportional to 163,422,923.76, 225,521,800.36 and 89,081,856.61

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Solution

The fourth proportional to 163,422,923.76, 225,521,800.36 and 89,081,856.61 is: 122,931,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,422,923.76 : 225,521,800.36 = 89,081,856.61 : x
  2. Step 2: Convert to fraction form
    163,422,923.76/225,521,800.36 = 89,081,856.61/x
  3. Step 3: Cross multiply
    163,422,923.76x = 225,521,800.36 × 89,081,856.61
  4. Step 4: Simplify right side
    163,422,923.76x = 20,089,900,681,312,056
  5. Step 5: Solve for x
    x = 20,089,900,681,312,056/163,422,923.76
  6. Step 6: Final answer
    x = 122,931,962.17

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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.