Home / 43,837,868.28-65,487,993.90-31,602,915.48

Finding the Fourth Proportional to 43,837,868.28, 65,487,993.90 and 31,602,915.48

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Solution

The fourth proportional to 43,837,868.28, 65,487,993.90 and 31,602,915.48 is: 47,210,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,837,868.28 : 65,487,993.90 = 31,602,915.48 : x
  2. Step 2: Convert to fraction form
    43,837,868.28/65,487,993.90 = 31,602,915.48/x
  3. Step 3: Cross multiply
    43,837,868.28x = 65,487,993.90 × 31,602,915.48
  4. Step 4: Simplify right side
    43,837,868.28x = 2,069,611,536,176,455.50
  5. Step 5: Solve for x
    x = 2,069,611,536,176,455.50/43,837,868.28
  6. Step 6: Final answer
    x = 47,210,587.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.