Home / 145,615,116.45-218,423,491.23-48,570,557.64

Finding the Fourth Proportional to 145,615,116.45, 218,423,491.23 and 48,570,557.64

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Solution

The fourth proportional to 145,615,116.45, 218,423,491.23 and 48,570,557.64 is: 72,856,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,116.45 : 218,423,491.23 = 48,570,557.64 : x
  2. Step 2: Convert to fraction form
    145,615,116.45/218,423,491.23 = 48,570,557.64/x
  3. Step 3: Cross multiply
    145,615,116.45x = 218,423,491.23 × 48,570,557.64
  4. Step 4: Simplify right side
    145,615,116.45x = 10,608,950,770,716,750
  5. Step 5: Solve for x
    x = 10,608,950,770,716,750/145,615,116.45
  6. Step 6: Final answer
    x = 72,856,108.83

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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.