Home / 189,508,981.60-284,263,472.40-171,935,999.20

Finding the Fourth Proportional to 189,508,981.60, 284,263,472.40 and 171,935,999.20

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Solution

The fourth proportional to 189,508,981.60, 284,263,472.40 and 171,935,999.20 is: 257,903,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,508,981.60 : 284,263,472.40 = 171,935,999.20 : x
  2. Step 2: Convert to fraction form
    189,508,981.60/284,263,472.40 = 171,935,999.20/x
  3. Step 3: Cross multiply
    189,508,981.60x = 284,263,472.40 × 171,935,999.20
  4. Step 4: Simplify right side
    189,508,981.60x = 48,875,124,163,155,616
  5. Step 5: Solve for x
    x = 48,875,124,163,155,616/189,508,981.60
  6. Step 6: Final answer
    x = 257,903,998.80

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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.