Home / 78,814,457.87-118,232,969.63-24,231,626.55

Finding the Fourth Proportional to 78,814,457.87, 118,232,969.63 and 24,231,626.55

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Solution

The fourth proportional to 78,814,457.87, 118,232,969.63 and 24,231,626.55 is: 36,350,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,814,457.87 : 118,232,969.63 = 24,231,626.55 : x
  2. Step 2: Convert to fraction form
    78,814,457.87/118,232,969.63 = 24,231,626.55/x
  3. Step 3: Cross multiply
    78,814,457.87x = 118,232,969.63 × 24,231,626.55
  4. Step 4: Simplify right side
    78,814,457.87x = 2,864,977,165,850,493.50
  5. Step 5: Solve for x
    x = 2,864,977,165,850,493.50/78,814,457.87
  6. Step 6: Final answer
    x = 36,350,908.75

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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.