Home / 70,078,293.72-96,694,001.10-39,133,701.72

Finding the Fourth Proportional to 70,078,293.72, 96,694,001.10 and 39,133,701.72

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Solution

The fourth proportional to 70,078,293.72, 96,694,001.10 and 39,133,701.72 is: 53,996,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,078,293.72 : 96,694,001.10 = 39,133,701.72 : x
  2. Step 2: Convert to fraction form
    70,078,293.72/96,694,001.10 = 39,133,701.72/x
  3. Step 3: Cross multiply
    70,078,293.72x = 96,694,001.10 × 39,133,701.72
  4. Step 4: Simplify right side
    70,078,293.72x = 3,783,994,197,160,751.50
  5. Step 5: Solve for x
    x = 3,783,994,197,160,751.50/70,078,293.72
  6. Step 6: Final answer
    x = 53,996,665.68

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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.