Home / 70,351,938.47-97,085,684.30-38,992,012.10

Finding the Fourth Proportional to 70,351,938.47, 97,085,684.30 and 38,992,012.10

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Solution

The fourth proportional to 70,351,938.47, 97,085,684.30 and 38,992,012.10 is: 53,808,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351,938.47 : 97,085,684.30 = 38,992,012.10 : x
  2. Step 2: Convert to fraction form
    70,351,938.47/97,085,684.30 = 38,992,012.10/x
  3. Step 3: Cross multiply
    70,351,938.47x = 97,085,684.30 × 38,992,012.10
  4. Step 4: Simplify right side
    70,351,938.47x = 3,785,566,177,302,574
  5. Step 5: Solve for x
    x = 3,785,566,177,302,574/70,351,938.47
  6. Step 6: Final answer
    x = 53,808,981.81

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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.