Home / 149,364,700.48-206,118,194.16-82,386,312.40

Finding the Fourth Proportional to 149,364,700.48, 206,118,194.16 and 82,386,312.40

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Solution

The fourth proportional to 149,364,700.48, 206,118,194.16 and 82,386,312.40 is: 113,690,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,364,700.48 : 206,118,194.16 = 82,386,312.40 : x
  2. Step 2: Convert to fraction form
    149,364,700.48/206,118,194.16 = 82,386,312.40/x
  3. Step 3: Cross multiply
    149,364,700.48x = 206,118,194.16 × 82,386,312.40
  4. Step 4: Simplify right side
    149,364,700.48x = 16,981,317,935,389,616
  5. Step 5: Solve for x
    x = 16,981,317,935,389,616/149,364,700.48
  6. Step 6: Final answer
    x = 113,690,302.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.