Home / 221,608,223.77-305,814,014.52-121,132,152.25

Finding the Fourth Proportional to 221,608,223.77, 305,814,014.52 and 121,132,152.25

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Solution

The fourth proportional to 221,608,223.77, 305,814,014.52 and 121,132,152.25 is: 167,159,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,608,223.77 : 305,814,014.52 = 121,132,152.25 : x
  2. Step 2: Convert to fraction form
    221,608,223.77/305,814,014.52 = 121,132,152.25/x
  3. Step 3: Cross multiply
    221,608,223.77x = 305,814,014.52 × 121,132,152.25
  4. Step 4: Simplify right side
    221,608,223.77x = 37,043,909,767,020,352
  5. Step 5: Solve for x
    x = 37,043,909,767,020,352/221,608,223.77
  6. Step 6: Final answer
    x = 167,159,454.36

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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.