Home / 283,315,926.60-390,965,656.68-157,861,640.34

Finding the Fourth Proportional to 283,315,926.60, 390,965,656.68 and 157,861,640.34

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Solution

The fourth proportional to 283,315,926.60, 390,965,656.68 and 157,861,640.34 is: 217,843,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,315,926.60 : 390,965,656.68 = 157,861,640.34 : x
  2. Step 2: Convert to fraction form
    283,315,926.60/390,965,656.68 = 157,861,640.34/x
  3. Step 3: Cross multiply
    283,315,926.60x = 390,965,656.68 × 157,861,640.34
  4. Step 4: Simplify right side
    283,315,926.60x = 61,718,479,880,110,080
  5. Step 5: Solve for x
    x = 61,718,479,880,110,080/283,315,926.60
  6. Step 6: Final answer
    x = 217,843,312.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.