Home / 290,440,419.68-435,789,282.52-152,233,181.58

Finding the Fourth Proportional to 290,440,419.68, 435,789,282.52 and 152,233,181.58

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Solution

The fourth proportional to 290,440,419.68, 435,789,282.52 and 152,233,181.58 is: 228,417,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,419.68 : 435,789,282.52 = 152,233,181.58 : x
  2. Step 2: Convert to fraction form
    290,440,419.68/435,789,282.52 = 152,233,181.58/x
  3. Step 3: Cross multiply
    290,440,419.68x = 435,789,282.52 × 152,233,181.58
  4. Step 4: Simplify right side
    290,440,419.68x = 66,341,588,974,306,128
  5. Step 5: Solve for x
    x = 66,341,588,974,306,128/290,440,419.68
  6. Step 6: Final answer
    x = 228,417,205.32

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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.