Home / 81,073,108.01-111,880,996.95-43,903,452.37

Finding the Fourth Proportional to 81,073,108.01, 111,880,996.95 and 43,903,452.37

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Solution

The fourth proportional to 81,073,108.01, 111,880,996.95 and 43,903,452.37 is: 60,586,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,108.01 : 111,880,996.95 = 43,903,452.37 : x
  2. Step 2: Convert to fraction form
    81,073,108.01/111,880,996.95 = 43,903,452.37/x
  3. Step 3: Cross multiply
    81,073,108.01x = 111,880,996.95 × 43,903,452.37
  4. Step 4: Simplify right side
    81,073,108.01x = 4,911,962,020,702,440
  5. Step 5: Solve for x
    x = 4,911,962,020,702,440/81,073,108.01
  6. Step 6: Final answer
    x = 60,586,822.70

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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.