Home / 112,969,224.45-155,888,974.11-63,400,024.72

Finding the Fourth Proportional to 112,969,224.45, 155,888,974.11 and 63,400,024.72

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Solution

The fourth proportional to 112,969,224.45, 155,888,974.11 and 63,400,024.72 is: 87,487,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,224.45 : 155,888,974.11 = 63,400,024.72 : x
  2. Step 2: Convert to fraction form
    112,969,224.45/155,888,974.11 = 63,400,024.72/x
  3. Step 3: Cross multiply
    112,969,224.45x = 155,888,974.11 × 63,400,024.72
  4. Step 4: Simplify right side
    112,969,224.45x = 9,883,364,812,149,440
  5. Step 5: Solve for x
    x = 9,883,364,812,149,440/112,969,224.45
  6. Step 6: Final answer
    x = 87,487,232.57

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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.