Home / 247,135,536.80-370,703,305.20-189,916,618.40

Finding the Fourth Proportional to 247,135,536.80, 370,703,305.20 and 189,916,618.40

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Solution

The fourth proportional to 247,135,536.80, 370,703,305.20 and 189,916,618.40 is: 284,874,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,135,536.80 : 370,703,305.20 = 189,916,618.40 : x
  2. Step 2: Convert to fraction form
    247,135,536.80/370,703,305.20 = 189,916,618.40/x
  3. Step 3: Cross multiply
    247,135,536.80x = 370,703,305.20 × 189,916,618.40
  4. Step 4: Simplify right side
    247,135,536.80x = 70,402,718,153,287,136
  5. Step 5: Solve for x
    x = 70,402,718,153,287,136/247,135,536.80
  6. Step 6: Final answer
    x = 284,874,927.60

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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.