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Finding the Fourth Proportional to 306,754,707.60, 460,132,061.40 and 145,511,571.60

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Solution

The fourth proportional to 306,754,707.60, 460,132,061.40 and 145,511,571.60 is: 218,267,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,754,707.60 : 460,132,061.40 = 145,511,571.60 : x
  2. Step 2: Convert to fraction form
    306,754,707.60/460,132,061.40 = 145,511,571.60/x
  3. Step 3: Cross multiply
    306,754,707.60x = 460,132,061.40 × 145,511,571.60
  4. Step 4: Simplify right side
    306,754,707.60x = 66,954,539,397,861,688
  5. Step 5: Solve for x
    x = 66,954,539,397,861,688/306,754,707.60
  6. Step 6: Final answer
    x = 218,267,357.40

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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.