Home / 91,294,953.93-136,942,422.57-40,176,972.72

Finding the Fourth Proportional to 91,294,953.93, 136,942,422.57 and 40,176,972.72

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Solution

The fourth proportional to 91,294,953.93, 136,942,422.57 and 40,176,972.72 is: 60,265,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,294,953.93 : 136,942,422.57 = 40,176,972.72 : x
  2. Step 2: Convert to fraction form
    91,294,953.93/136,942,422.57 = 40,176,972.72/x
  3. Step 3: Cross multiply
    91,294,953.93x = 136,942,422.57 × 40,176,972.72
  4. Step 4: Simplify right side
    91,294,953.93x = 5,501,931,975,805,602
  5. Step 5: Solve for x
    x = 5,501,931,975,805,602/91,294,953.93
  6. Step 6: Final answer
    x = 60,265,455.42

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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.