Home / 147,668,447.52-203,781,260.16-81,588,738.24

Finding the Fourth Proportional to 147,668,447.52, 203,781,260.16 and 81,588,738.24

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Solution

The fourth proportional to 147,668,447.52, 203,781,260.16 and 81,588,738.24 is: 112,591,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,668,447.52 : 203,781,260.16 = 81,588,738.24 : x
  2. Step 2: Convert to fraction form
    147,668,447.52/203,781,260.16 = 81,588,738.24/x
  3. Step 3: Cross multiply
    147,668,447.52x = 203,781,260.16 × 81,588,738.24
  4. Step 4: Simplify right side
    147,668,447.52x = 16,626,255,893,411,580
  5. Step 5: Solve for x
    x = 16,626,255,893,411,580/147,668,447.52
  6. Step 6: Final answer
    x = 112,591,797.18

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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.