Home / 219,699,892.60-329,549,838.90-168,838,631.80

Finding the Fourth Proportional to 219,699,892.60, 329,549,838.90 and 168,838,631.80

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Solution

The fourth proportional to 219,699,892.60, 329,549,838.90 and 168,838,631.80 is: 253,257,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,699,892.60 : 329,549,838.90 = 168,838,631.80 : x
  2. Step 2: Convert to fraction form
    219,699,892.60/329,549,838.90 = 168,838,631.80/x
  3. Step 3: Cross multiply
    219,699,892.60x = 329,549,838.90 × 168,838,631.80
  4. Step 4: Simplify right side
    219,699,892.60x = 55,640,743,909,786,416
  5. Step 5: Solve for x
    x = 55,640,743,909,786,416/219,699,892.60
  6. Step 6: Final answer
    x = 253,257,947.70

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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.