Home / 67,827,639.78-93,600,138.33-38,461,653.54

Finding the Fourth Proportional to 67,827,639.78, 93,600,138.33 and 38,461,653.54

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Solution

The fourth proportional to 67,827,639.78, 93,600,138.33 and 38,461,653.54 is: 53,075,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,827,639.78 : 93,600,138.33 = 38,461,653.54 : x
  2. Step 2: Convert to fraction form
    67,827,639.78/93,600,138.33 = 38,461,653.54/x
  3. Step 3: Cross multiply
    67,827,639.78x = 93,600,138.33 × 38,461,653.54
  4. Step 4: Simplify right side
    67,827,639.78x = 3,600,016,091,744,534
  5. Step 5: Solve for x
    x = 3,600,016,091,744,534/67,827,639.78
  6. Step 6: Final answer
    x = 53,075,945.20

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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.