Home / 355,209,732.87-532,572,129.84-189,238,051.77

Finding the Fourth Proportional to 355,209,732.87, 532,572,129.84 and 189,238,051.77

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Solution

The fourth proportional to 355,209,732.87, 532,572,129.84 and 189,238,051.77 is: 283,727,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209,732.87 : 532,572,129.84 = 189,238,051.77 : x
  2. Step 2: Convert to fraction form
    355,209,732.87/532,572,129.84 = 189,238,051.77/x
  3. Step 3: Cross multiply
    355,209,732.87x = 532,572,129.84 × 189,238,051.77
  4. Step 4: Simplify right side
    355,209,732.87x = 100,782,912,277,921,088
  5. Step 5: Solve for x
    x = 100,782,912,277,921,088/355,209,732.87
  6. Step 6: Final answer
    x = 283,727,902.00

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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.