Home / 70,351,904.10-97,085,636.87-38,991,977.70

Finding the Fourth Proportional to 70,351,904.10, 97,085,636.87 and 38,991,977.70

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Solution

The fourth proportional to 70,351,904.10, 97,085,636.87 and 38,991,977.70 is: 53,808,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,904.10 : 97,085,636.87 = 38,991,977.70 : x
  2. Step 2: Convert to fraction form
    70,351,904.10/97,085,636.87 = 38,991,977.70/x
  3. Step 3: Cross multiply
    70,351,904.10x = 97,085,636.87 × 38,991,977.70
  4. Step 4: Simplify right side
    70,351,904.10x = 3,785,560,988,222,933
  5. Step 5: Solve for x
    x = 3,785,560,988,222,933/70,351,904.10
  6. Step 6: Final answer
    x = 53,808,934.34

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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.