Home / 70,351,913.69-97,085,650.13-38,991,987.30

Finding the Fourth Proportional to 70,351,913.69, 97,085,650.13 and 38,991,987.30

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Solution

The fourth proportional to 70,351,913.69, 97,085,650.13 and 38,991,987.30 is: 53,808,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,913.69 : 97,085,650.13 = 38,991,987.30 : x
  2. Step 2: Convert to fraction form
    70,351,913.69/97,085,650.13 = 38,991,987.30/x
  3. Step 3: Cross multiply
    70,351,913.69x = 97,085,650.13 × 38,991,987.30
  4. Step 4: Simplify right side
    70,351,913.69x = 3,785,562,436,881,203
  5. Step 5: Solve for x
    x = 3,785,562,436,881,203/70,351,913.69
  6. Step 6: Final answer
    x = 53,808,947.59

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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.