Home / 145,546,640.05-200,851,617.71-89,027,227.52

Finding the Fourth Proportional to 145,546,640.05, 200,851,617.71 and 89,027,227.52

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Solution

The fourth proportional to 145,546,640.05, 200,851,617.71 and 89,027,227.52 is: 122,855,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546,640.05 : 200,851,617.71 = 89,027,227.52 : x
  2. Step 2: Convert to fraction form
    145,546,640.05/200,851,617.71 = 89,027,227.52/x
  3. Step 3: Cross multiply
    145,546,640.05x = 200,851,617.71 × 89,027,227.52
  4. Step 4: Simplify right side
    145,546,640.05x = 17,881,262,668,352,928
  5. Step 5: Solve for x
    x = 17,881,262,668,352,928/145,546,640.05
  6. Step 6: Final answer
    x = 122,855,894.60

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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.