Home / 55,923,289.44-77,169,222.72-31,141,605.12

Finding the Fourth Proportional to 55,923,289.44, 77,169,222.72 and 31,141,605.12

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Solution

The fourth proportional to 55,923,289.44, 77,169,222.72 and 31,141,605.12 is: 42,972,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923,289.44 : 77,169,222.72 = 31,141,605.12 : x
  2. Step 2: Convert to fraction form
    55,923,289.44/77,169,222.72 = 31,141,605.12/x
  3. Step 3: Cross multiply
    55,923,289.44x = 77,169,222.72 × 31,141,605.12
  4. Step 4: Simplify right side
    55,923,289.44x = 2,403,173,461,363,572.50
  5. Step 5: Solve for x
    x = 2,403,173,461,363,572.50/55,923,289.44
  6. Step 6: Final answer
    x = 42,972,677.13

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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.