Home / 371,437,109.79-557,168,057.88-166,965,790.11

Finding the Fourth Proportional to 371,437,109.79, 557,168,057.88 and 166,965,790.11

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Solution

The fourth proportional to 371,437,109.79, 557,168,057.88 and 166,965,790.11 is: 250,454,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,437,109.79 : 557,168,057.88 = 166,965,790.11 : x
  2. Step 2: Convert to fraction form
    371,437,109.79/557,168,057.88 = 166,965,790.11/x
  3. Step 3: Cross multiply
    371,437,109.79x = 557,168,057.88 × 166,965,790.11
  4. Step 4: Simplify right side
    371,437,109.79x = 93,028,005,007,988,416
  5. Step 5: Solve for x
    x = 93,028,005,007,988,416/371,437,109.79
  6. Step 6: Final answer
    x = 250,454,256.07

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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.