Home / 470,970,542.49-706,475,292.39-138,977,555.54

Finding the Fourth Proportional to 470,970,542.49, 706,475,292.39 and 138,977,555.54

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Solution

The fourth proportional to 470,970,542.49, 706,475,292.39 and 138,977,555.54 is: 208,472,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,970,542.49 : 706,475,292.39 = 138,977,555.54 : x
  2. Step 2: Convert to fraction form
    470,970,542.49/706,475,292.39 = 138,977,555.54/x
  3. Step 3: Cross multiply
    470,970,542.49x = 706,475,292.39 × 138,977,555.54
  4. Step 4: Simplify right side
    470,970,542.49x = 98,184,209,186,206,976
  5. Step 5: Solve for x
    x = 98,184,209,186,206,976/470,970,542.49
  6. Step 6: Final answer
    x = 208,472,081.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.