Home / 56,050,917.12-77,350,313.76-31,271,107.80

Finding the Fourth Proportional to 56,050,917.12, 77,350,313.76 and 31,271,107.80

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Solution

The fourth proportional to 56,050,917.12, 77,350,313.76 and 31,271,107.80 is: 43,154,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050,917.12 : 77,350,313.76 = 31,271,107.80 : x
  2. Step 2: Convert to fraction form
    56,050,917.12/77,350,313.76 = 31,271,107.80/x
  3. Step 3: Cross multiply
    56,050,917.12x = 77,350,313.76 × 31,271,107.80
  4. Step 4: Simplify right side
    56,050,917.12x = 2,418,829,999,952,783.50
  5. Step 5: Solve for x
    x = 2,418,829,999,952,783.50/56,050,917.12
  6. Step 6: Final answer
    x = 43,154,155.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.