Home / 47,289,715.20-70,934,572.80-31,133,908.80

Finding the Fourth Proportional to 47,289,715.20, 70,934,572.80 and 31,133,908.80

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Solution

The fourth proportional to 47,289,715.20, 70,934,572.80 and 31,133,908.80 is: 46,700,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,715.20 : 70,934,572.80 = 31,133,908.80 : x
  2. Step 2: Convert to fraction form
    47,289,715.20/70,934,572.80 = 31,133,908.80/x
  3. Step 3: Cross multiply
    47,289,715.20x = 70,934,572.80 × 31,133,908.80
  4. Step 4: Simplify right side
    47,289,715.20x = 2,208,470,520,322,160.50
  5. Step 5: Solve for x
    x = 2,208,470,520,322,160.50/47,289,715.20
  6. Step 6: Final answer
    x = 46,700,863.20

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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.