Home / 70,252,638.72-96,949,784.18-38,462,274.05

Finding the Fourth Proportional to 70,252,638.72, 96,949,784.18 and 38,462,274.05

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Solution

The fourth proportional to 70,252,638.72, 96,949,784.18 and 38,462,274.05 is: 53,078,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,252,638.72 : 96,949,784.18 = 38,462,274.05 : x
  2. Step 2: Convert to fraction form
    70,252,638.72/96,949,784.18 = 38,462,274.05/x
  3. Step 3: Cross multiply
    70,252,638.72x = 96,949,784.18 × 38,462,274.05
  4. Step 4: Simplify right side
    70,252,638.72x = 3,728,909,167,542,454.50
  5. Step 5: Solve for x
    x = 3,728,909,167,542,454.50/70,252,638.72
  6. Step 6: Final answer
    x = 53,078,563.82

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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.