Home / 65,839,578.45-90,890,124.53-43,849,672.53

Finding the Fourth Proportional to 65,839,578.45, 90,890,124.53 and 43,849,672.53

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Solution

The fourth proportional to 65,839,578.45, 90,890,124.53 and 43,849,672.53 is: 60,533,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839,578.45 : 90,890,124.53 = 43,849,672.53 : x
  2. Step 2: Convert to fraction form
    65,839,578.45/90,890,124.53 = 43,849,672.53/x
  3. Step 3: Cross multiply
    65,839,578.45x = 90,890,124.53 × 43,849,672.53
  4. Step 4: Simplify right side
    65,839,578.45x = 3,985,502,196,851,420.50
  5. Step 5: Solve for x
    x = 3,985,502,196,851,420.50/65,839,578.45
  6. Step 6: Final answer
    x = 60,533,531.51

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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.