Home / 283,315,933.64-390,965,666.36-157,861,647.50

Finding the Fourth Proportional to 283,315,933.64, 390,965,666.36 and 157,861,647.50

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Solution

The fourth proportional to 283,315,933.64, 390,965,666.36 and 157,861,647.50 is: 217,843,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,315,933.64 : 390,965,666.36 = 157,861,647.50 : x
  2. Step 2: Convert to fraction form
    283,315,933.64/390,965,666.36 = 157,861,647.50/x
  3. Step 3: Cross multiply
    283,315,933.64x = 390,965,666.36 × 157,861,647.50
  4. Step 4: Simplify right side
    283,315,933.64x = 61,718,484,207,524,928
  5. Step 5: Solve for x
    x = 61,718,484,207,524,928/283,315,933.64
  6. Step 6: Final answer
    x = 217,843,322.17

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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.