Home / 207,339,513.96-310,888,947.60-98,163,763.14

Finding the Fourth Proportional to 207,339,513.96, 310,888,947.60 and 98,163,763.14

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Solution

The fourth proportional to 207,339,513.96, 310,888,947.60 and 98,163,763.14 is: 147,188,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,339,513.96 : 310,888,947.60 = 98,163,763.14 : x
  2. Step 2: Convert to fraction form
    207,339,513.96/310,888,947.60 = 98,163,763.14/x
  3. Step 3: Cross multiply
    207,339,513.96x = 310,888,947.60 × 98,163,763.14
  4. Step 4: Simplify right side
    207,339,513.96x = 30,518,029,015,050,272
  5. Step 5: Solve for x
    x = 30,518,029,015,050,272/207,339,513.96
  6. Step 6: Final answer
    x = 147,188,678.28

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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.