Home / 131,713,039.23-197,492,976.53-49,838,242.31

Finding the Fourth Proportional to 131,713,039.23, 197,492,976.53 and 49,838,242.31

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Solution

The fourth proportional to 131,713,039.23, 197,492,976.53 and 49,838,242.31 is: 74,728,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,039.23 : 197,492,976.53 = 49,838,242.31 : x
  2. Step 2: Convert to fraction form
    131,713,039.23/197,492,976.53 = 49,838,242.31/x
  3. Step 3: Cross multiply
    131,713,039.23x = 197,492,976.53 × 49,838,242.31
  4. Step 4: Simplify right side
    131,713,039.23x = 9,842,702,818,825,284
  5. Step 5: Solve for x
    x = 9,842,702,818,825,284/131,713,039.23
  6. Step 6: Final answer
    x = 74,728,385.87

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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.