Home / 47,289,740.20-70,934,610.30-31,133,933.80

Finding the Fourth Proportional to 47,289,740.20, 70,934,610.30 and 31,133,933.80

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Solution

The fourth proportional to 47,289,740.20, 70,934,610.30 and 31,133,933.80 is: 46,700,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,740.20 : 70,934,610.30 = 31,133,933.80 : x
  2. Step 2: Convert to fraction form
    47,289,740.20/70,934,610.30 = 31,133,933.80/x
  3. Step 3: Cross multiply
    47,289,740.20x = 70,934,610.30 × 31,133,933.80
  4. Step 4: Simplify right side
    47,289,740.20x = 2,208,473,461,208,998
  5. Step 5: Solve for x
    x = 2,208,473,461,208,998/47,289,740.20
  6. Step 6: Final answer
    x = 46,700,900.70

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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.