Home / 145,522,903.80-218,314,682.10-48,508,750.20

Finding the Fourth Proportional to 145,522,903.80, 218,314,682.10 and 48,508,750.20

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Solution

The fourth proportional to 145,522,903.80, 218,314,682.10 and 48,508,750.20 is: 72,773,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,903.80 : 218,314,682.10 = 48,508,750.20 : x
  2. Step 2: Convert to fraction form
    145,522,903.80/218,314,682.10 = 48,508,750.20/x
  3. Step 3: Cross multiply
    145,522,903.80x = 218,314,682.10 × 48,508,750.20
  4. Step 4: Simplify right side
    145,522,903.80x = 10,590,172,378,981,312
  5. Step 5: Solve for x
    x = 10,590,172,378,981,312/145,522,903.80
  6. Step 6: Final answer
    x = 72,773,234.33

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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.