Home / 205,039,749.60-307,559,624.40-83,830,917.60

Finding the Fourth Proportional to 205,039,749.60, 307,559,624.40 and 83,830,917.60

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Solution

The fourth proportional to 205,039,749.60, 307,559,624.40 and 83,830,917.60 is: 125,746,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,039,749.60 : 307,559,624.40 = 83,830,917.60 : x
  2. Step 2: Convert to fraction form
    205,039,749.60/307,559,624.40 = 83,830,917.60/x
  3. Step 3: Cross multiply
    205,039,749.60x = 307,559,624.40 × 83,830,917.60
  4. Step 4: Simplify right side
    205,039,749.60x = 25,783,005,530,163,344
  5. Step 5: Solve for x
    x = 25,783,005,530,163,344/205,039,749.60
  6. Step 6: Final answer
    x = 125,746,376.40

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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.