Home / 105,025,332.57-144,800,225.71-86,117,251.60

Finding the Fourth Proportional to 105,025,332.57, 144,800,225.71 and 86,117,251.60

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Solution

The fourth proportional to 105,025,332.57, 144,800,225.71 and 86,117,251.60 is: 118,731,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,025,332.57 : 144,800,225.71 = 86,117,251.60 : x
  2. Step 2: Convert to fraction form
    105,025,332.57/144,800,225.71 = 86,117,251.60/x
  3. Step 3: Cross multiply
    105,025,332.57x = 144,800,225.71 × 86,117,251.60
  4. Step 4: Simplify right side
    105,025,332.57x = 12,469,797,468,355,632
  5. Step 5: Solve for x
    x = 12,469,797,468,355,632/105,025,332.57
  6. Step 6: Final answer
    x = 118,731,330.46

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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.