Home / 145,546,640.06-200,851,617.71-89,027,227.53

Finding the Fourth Proportional to 145,546,640.06, 200,851,617.71 and 89,027,227.53

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Solution

The fourth proportional to 145,546,640.06, 200,851,617.71 and 89,027,227.53 is: 122,855,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546,640.06 : 200,851,617.71 = 89,027,227.53 : x
  2. Step 2: Convert to fraction form
    145,546,640.06/200,851,617.71 = 89,027,227.53/x
  3. Step 3: Cross multiply
    145,546,640.06x = 200,851,617.71 × 89,027,227.53
  4. Step 4: Simplify right side
    145,546,640.06x = 17,881,262,669,191,612
  5. Step 5: Solve for x
    x = 17,881,262,669,191,612/145,546,640.06
  6. Step 6: Final answer
    x = 122,855,894.59

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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.