Home / 131,713,041.47-197,492,979.90-49,838,244.56

Finding the Fourth Proportional to 131,713,041.47, 197,492,979.90 and 49,838,244.56

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Solution

The fourth proportional to 131,713,041.47, 197,492,979.90 and 49,838,244.56 is: 74,728,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,041.47 : 197,492,979.90 = 49,838,244.56 : x
  2. Step 2: Convert to fraction form
    131,713,041.47/197,492,979.90 = 49,838,244.56/x
  3. Step 3: Cross multiply
    131,713,041.47x = 197,492,979.90 × 49,838,244.56
  4. Step 4: Simplify right side
    131,713,041.47x = 9,842,703,431,139,366
  5. Step 5: Solve for x
    x = 9,842,703,431,139,366/131,713,041.47
  6. Step 6: Final answer
    x = 74,728,389.24

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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.