Home / 143,460,211.93-198,001,735.37-81,576,859.93

Finding the Fourth Proportional to 143,460,211.93, 198,001,735.37 and 81,576,859.93

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Solution

The fourth proportional to 143,460,211.93, 198,001,735.37 and 81,576,859.93 is: 112,591,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,460,211.93 : 198,001,735.37 = 81,576,859.93 : x
  2. Step 2: Convert to fraction form
    143,460,211.93/198,001,735.37 = 81,576,859.93/x
  3. Step 3: Cross multiply
    143,460,211.93x = 198,001,735.37 × 81,576,859.93
  4. Step 4: Simplify right side
    143,460,211.93x = 16,152,359,831,578,440
  5. Step 5: Solve for x
    x = 16,152,359,831,578,440/143,460,211.93
  6. Step 6: Final answer
    x = 112,591,216.86

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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.