Home / 112,814,255.79-155,626,374.06-73,678,940.55

Finding the Fourth Proportional to 112,814,255.79, 155,626,374.06 and 73,678,940.55

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Solution

The fourth proportional to 112,814,255.79, 155,626,374.06 and 73,678,940.55 is: 101,639,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,814,255.79 : 155,626,374.06 = 73,678,940.55 : x
  2. Step 2: Convert to fraction form
    112,814,255.79/155,626,374.06 = 73,678,940.55/x
  3. Step 3: Cross multiply
    112,814,255.79x = 155,626,374.06 × 73,678,940.55
  4. Step 4: Simplify right side
    112,814,255.79x = 11,466,386,362,378,802
  5. Step 5: Solve for x
    x = 11,466,386,362,378,802/112,814,255.79
  6. Step 6: Final answer
    x = 101,639,516.05

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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.