Home / 115,996,945.20-173,989,888.20-39,312,452.40

Finding the Fourth Proportional to 115,996,945.20, 173,989,888.20 and 39,312,452.40

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Solution

The fourth proportional to 115,996,945.20, 173,989,888.20 and 39,312,452.40 is: 58,966,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,996,945.20 : 173,989,888.20 = 39,312,452.40 : x
  2. Step 2: Convert to fraction form
    115,996,945.20/173,989,888.20 = 39,312,452.40/x
  3. Step 3: Cross multiply
    115,996,945.20x = 173,989,888.20 × 39,312,452.40
  4. Step 4: Simplify right side
    115,996,945.20x = 6,839,969,197,943,821
  5. Step 5: Solve for x
    x = 6,839,969,197,943,821/115,996,945.20
  6. Step 6: Final answer
    x = 58,966,804.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.