Home / 142,718,861.48-214,060,030.76-45,666,449.96

Finding the Fourth Proportional to 142,718,861.48, 214,060,030.76 and 45,666,449.96

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Solution

The fourth proportional to 142,718,861.48, 214,060,030.76 and 45,666,449.96 is: 68,493,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718,861.48 : 214,060,030.76 = 45,666,449.96 : x
  2. Step 2: Convert to fraction form
    142,718,861.48/214,060,030.76 = 45,666,449.96/x
  3. Step 3: Cross multiply
    142,718,861.48x = 214,060,030.76 × 45,666,449.96
  4. Step 4: Simplify right side
    142,718,861.48x = 9,775,361,683,137,600
  5. Step 5: Solve for x
    x = 9,775,361,683,137,600/142,718,861.48
  6. Step 6: Final answer
    x = 68,493,831.73

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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.