Home / 336,880,876.40-505,321,314.60-81,579,244.40

Finding the Fourth Proportional to 336,880,876.40, 505,321,314.60 and 81,579,244.40

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Solution

The fourth proportional to 336,880,876.40, 505,321,314.60 and 81,579,244.40 is: 122,368,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,880,876.40 : 505,321,314.60 = 81,579,244.40 : x
  2. Step 2: Convert to fraction form
    336,880,876.40/505,321,314.60 = 81,579,244.40/x
  3. Step 3: Cross multiply
    336,880,876.40x = 505,321,314.60 × 81,579,244.40
  4. Step 4: Simplify right side
    336,880,876.40x = 41,223,731,024,282,696
  5. Step 5: Solve for x
    x = 41,223,731,024,282,696/336,880,876.40
  6. Step 6: Final answer
    x = 122,368,866.60

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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.