Home / 54,356,390.42-75,014,922.45-31,155,382.10

Finding the Fourth Proportional to 54,356,390.42, 75,014,922.45 and 31,155,382.10

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Solution

The fourth proportional to 54,356,390.42, 75,014,922.45 and 31,155,382.10 is: 42,996,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356,390.42 : 75,014,922.45 = 31,155,382.10 : x
  2. Step 2: Convert to fraction form
    54,356,390.42/75,014,922.45 = 31,155,382.10/x
  3. Step 3: Cross multiply
    54,356,390.42x = 75,014,922.45 × 31,155,382.10
  4. Step 4: Simplify right side
    54,356,390.42x = 2,337,118,572,131,618.50
  5. Step 5: Solve for x
    x = 2,337,118,572,131,618.50/54,356,390.42
  6. Step 6: Final answer
    x = 42,996,206.22

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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.