Home / 290,440,391.81-435,789,240.50-152,233,153.29

Finding the Fourth Proportional to 290,440,391.81, 435,789,240.50 and 152,233,153.29

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Solution

The fourth proportional to 290,440,391.81, 435,789,240.50 and 152,233,153.29 is: 228,417,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,391.81 : 435,789,240.50 = 152,233,153.29 : x
  2. Step 2: Convert to fraction form
    290,440,391.81/435,789,240.50 = 152,233,153.29/x
  3. Step 3: Cross multiply
    290,440,391.81x = 435,789,240.50 × 152,233,153.29
  4. Step 4: Simplify right side
    290,440,391.81x = 66,341,570,251,549,752
  5. Step 5: Solve for x
    x = 66,341,570,251,549,752/290,440,391.81
  6. Step 6: Final answer
    x = 228,417,162.78

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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.