Home / 290,440,359.96-435,789,192.94-152,233,121.50

Finding the Fourth Proportional to 290,440,359.96, 435,789,192.94 and 152,233,121.50

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Solution

The fourth proportional to 290,440,359.96, 435,789,192.94 and 152,233,121.50 is: 228,417,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,359.96 : 435,789,192.94 = 152,233,121.50 : x
  2. Step 2: Convert to fraction form
    290,440,359.96/435,789,192.94 = 152,233,121.50/x
  3. Step 3: Cross multiply
    290,440,359.96x = 435,789,192.94 × 152,233,121.50
  4. Step 4: Simplify right side
    290,440,359.96x = 66,341,549,157,221,960
  5. Step 5: Solve for x
    x = 66,341,549,157,221,960/290,440,359.96
  6. Step 6: Final answer
    x = 228,417,115.19

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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.