Home / 75,520,541.12-104,180,617.80-47,677,756.64

Finding the Fourth Proportional to 75,520,541.12, 104,180,617.80 and 47,677,756.64

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Solution

The fourth proportional to 75,520,541.12, 104,180,617.80 and 47,677,756.64 is: 65,771,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520,541.12 : 104,180,617.80 = 47,677,756.64 : x
  2. Step 2: Convert to fraction form
    75,520,541.12/104,180,617.80 = 47,677,756.64/x
  3. Step 3: Cross multiply
    75,520,541.12x = 104,180,617.80 × 47,677,756.64
  4. Step 4: Simplify right side
    75,520,541.12x = 4,967,098,142,073,252
  5. Step 5: Solve for x
    x = 4,967,098,142,073,252/75,520,541.12
  6. Step 6: Final answer
    x = 65,771,485.06

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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.