Home / 205,859,334.60-309,028,150.35-124,070,564.70

Finding the Fourth Proportional to 205,859,334.60, 309,028,150.35 and 124,070,564.70

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Solution

The fourth proportional to 205,859,334.60, 309,028,150.35 and 124,070,564.70 is: 186,249,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,859,334.60 : 309,028,150.35 = 124,070,564.70 : x
  2. Step 2: Convert to fraction form
    205,859,334.60/309,028,150.35 = 124,070,564.70/x
  3. Step 3: Cross multiply
    205,859,334.60x = 309,028,150.35 × 124,070,564.70
  4. Step 4: Simplify right side
    205,859,334.60x = 38,341,297,122,121,008
  5. Step 5: Solve for x
    x = 38,341,297,122,121,008/205,859,334.60
  6. Step 6: Final answer
    x = 186,249,980.83

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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.