Home / 70,351,901.09-97,085,632.71-38,991,974.68

Finding the Fourth Proportional to 70,351,901.09, 97,085,632.71 and 38,991,974.68

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Solution

The fourth proportional to 70,351,901.09, 97,085,632.71 and 38,991,974.68 is: 53,808,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,901.09 : 97,085,632.71 = 38,991,974.68 : x
  2. Step 2: Convert to fraction form
    70,351,901.09/97,085,632.71 = 38,991,974.68/x
  3. Step 3: Cross multiply
    70,351,901.09x = 97,085,632.71 × 38,991,974.68
  4. Step 4: Simplify right side
    70,351,901.09x = 3,785,560,532,638,937
  5. Step 5: Solve for x
    x = 3,785,560,532,638,937/70,351,901.09
  6. Step 6: Final answer
    x = 53,808,930.16

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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.