Home / 178,202,909.39-245,915,625.51-98,817,532.20

Finding the Fourth Proportional to 178,202,909.39, 245,915,625.51 and 98,817,532.20

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Solution

The fourth proportional to 178,202,909.39, 245,915,625.51 and 98,817,532.20 is: 136,365,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,202,909.39 : 245,915,625.51 = 98,817,532.20 : x
  2. Step 2: Convert to fraction form
    178,202,909.39/245,915,625.51 = 98,817,532.20/x
  3. Step 3: Cross multiply
    178,202,909.39x = 245,915,625.51 × 98,817,532.20
  4. Step 4: Simplify right side
    178,202,909.39x = 24,300,775,242,317,568
  5. Step 5: Solve for x
    x = 24,300,775,242,317,568/178,202,909.39
  6. Step 6: Final answer
    x = 136,365,760.39

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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.