Home / 215,545,706.34-297,453,194.10-116,426,453.28

Finding the Fourth Proportional to 215,545,706.34, 297,453,194.10 and 116,426,453.28

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Solution

The fourth proportional to 215,545,706.34, 297,453,194.10 and 116,426,453.28 is: 160,668,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,545,706.34 : 297,453,194.10 = 116,426,453.28 : x
  2. Step 2: Convert to fraction form
    215,545,706.34/297,453,194.10 = 116,426,453.28/x
  3. Step 3: Cross multiply
    215,545,706.34x = 297,453,194.10 × 116,426,453.28
  4. Step 4: Simplify right side
    215,545,706.34x = 34,631,420,405,870,424
  5. Step 5: Solve for x
    x = 34,631,420,405,870,424/215,545,706.34
  6. Step 6: Final answer
    x = 160,668,569.99

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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.