Home / 65,921,621.76-98,872,807.02-19,222,558.44

Finding the Fourth Proportional to 65,921,621.76, 98,872,807.02 and 19,222,558.44

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Solution

The fourth proportional to 65,921,621.76, 98,872,807.02 and 19,222,558.44 is: 28,831,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,621.76 : 98,872,807.02 = 19,222,558.44 : x
  2. Step 2: Convert to fraction form
    65,921,621.76/98,872,807.02 = 19,222,558.44/x
  3. Step 3: Cross multiply
    65,921,621.76x = 98,872,807.02 × 19,222,558.44
  4. Step 4: Simplify right side
    65,921,621.76x = 1,900,588,311,068,792.25
  5. Step 5: Solve for x
    x = 1,900,588,311,068,792.25/65,921,621.76
  6. Step 6: Final answer
    x = 28,831,030.86

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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.