Home / 205,039,746.60-307,559,619.90-83,830,914.60

Finding the Fourth Proportional to 205,039,746.60, 307,559,619.90 and 83,830,914.60

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Solution

The fourth proportional to 205,039,746.60, 307,559,619.90 and 83,830,914.60 is: 125,746,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,039,746.60 : 307,559,619.90 = 83,830,914.60 : x
  2. Step 2: Convert to fraction form
    205,039,746.60/307,559,619.90 = 83,830,914.60/x
  3. Step 3: Cross multiply
    205,039,746.60x = 307,559,619.90 × 83,830,914.60
  4. Step 4: Simplify right side
    205,039,746.60x = 25,783,004,230,245,356
  5. Step 5: Solve for x
    x = 25,783,004,230,245,356/205,039,746.60
  6. Step 6: Final answer
    x = 125,746,371.90

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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.