Home / 54,082,811.21-74,637,941.24-30,553,187.13

Finding the Fourth Proportional to 54,082,811.21, 74,637,941.24 and 30,553,187.13

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Solution

The fourth proportional to 54,082,811.21, 74,637,941.24 and 30,553,187.13 is: 42,165,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082,811.21 : 74,637,941.24 = 30,553,187.13 : x
  2. Step 2: Convert to fraction form
    54,082,811.21/74,637,941.24 = 30,553,187.13/x
  3. Step 3: Cross multiply
    54,082,811.21x = 74,637,941.24 × 30,553,187.13
  4. Step 4: Simplify right side
    54,082,811.21x = 2,280,426,985,780,047.50
  5. Step 5: Solve for x
    x = 2,280,426,985,780,047.50/54,082,811.21
  6. Step 6: Final answer
    x = 42,165,466.90

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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.