Home / 283,316,106.96-390,965,904.72-157,861,820.88

Finding the Fourth Proportional to 283,316,106.96, 390,965,904.72 and 157,861,820.88

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Solution

The fourth proportional to 283,316,106.96, 390,965,904.72 and 157,861,820.88 is: 217,843,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,316,106.96 : 390,965,904.72 = 157,861,820.88 : x
  2. Step 2: Convert to fraction form
    283,316,106.96/390,965,904.72 = 157,861,820.88/x
  3. Step 3: Cross multiply
    283,316,106.96x = 390,965,904.72 × 157,861,820.88
  4. Step 4: Simplify right side
    283,316,106.96x = 61,718,589,621,095,792
  5. Step 5: Solve for x
    x = 61,718,589,621,095,792/283,316,106.96
  6. Step 6: Final answer
    x = 217,843,560.97

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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.