Home / 81,001,626.93-111,782,541.45-43,831,907.50

Finding the Fourth Proportional to 81,001,626.93, 111,782,541.45 and 43,831,907.50

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Solution

The fourth proportional to 81,001,626.93, 111,782,541.45 and 43,831,907.50 is: 60,488,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,626.93 : 111,782,541.45 = 43,831,907.50 : x
  2. Step 2: Convert to fraction form
    81,001,626.93/111,782,541.45 = 43,831,907.50/x
  3. Step 3: Cross multiply
    81,001,626.93x = 111,782,541.45 × 43,831,907.50
  4. Step 4: Simplify right side
    81,001,626.93x = 4,899,642,016,671,860
  5. Step 5: Solve for x
    x = 4,899,642,016,671,860/81,001,626.93
  6. Step 6: Final answer
    x = 60,488,192.67

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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.