Home / 109,220,733.40-163,831,100.10-66,362,531.80

Finding the Fourth Proportional to 109,220,733.40, 163,831,100.10 and 66,362,531.80

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Solution

The fourth proportional to 109,220,733.40, 163,831,100.10 and 66,362,531.80 is: 99,543,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220,733.40 : 163,831,100.10 = 66,362,531.80 : x
  2. Step 2: Convert to fraction form
    109,220,733.40/163,831,100.10 = 66,362,531.80/x
  3. Step 3: Cross multiply
    109,220,733.40x = 163,831,100.10 × 66,362,531.80
  4. Step 4: Simplify right side
    109,220,733.40x = 10,872,246,590,215,232
  5. Step 5: Solve for x
    x = 10,872,246,590,215,232/109,220,733.40
  6. Step 6: Final answer
    x = 99,543,797.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.