Home / 145,163,485.20-217,745,227.80-49,425,373.20

Finding the Fourth Proportional to 145,163,485.20, 217,745,227.80 and 49,425,373.20

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Solution

The fourth proportional to 145,163,485.20, 217,745,227.80 and 49,425,373.20 is: 74,138,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,485.20 : 217,745,227.80 = 49,425,373.20 : x
  2. Step 2: Convert to fraction form
    145,163,485.20/217,745,227.80 = 49,425,373.20/x
  3. Step 3: Cross multiply
    145,163,485.20x = 217,745,227.80 × 49,425,373.20
  4. Step 4: Simplify right side
    145,163,485.20x = 10,762,139,146,534,016
  5. Step 5: Solve for x
    x = 10,762,139,146,534,016/145,163,485.20
  6. Step 6: Final answer
    x = 74,138,059.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.