Home / 93,312,120.20-139,968,180.30-80,323,089.80

Finding the Fourth Proportional to 93,312,120.20, 139,968,180.30 and 80,323,089.80

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Solution

The fourth proportional to 93,312,120.20, 139,968,180.30 and 80,323,089.80 is: 120,484,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,120.20 : 139,968,180.30 = 80,323,089.80 : x
  2. Step 2: Convert to fraction form
    93,312,120.20/139,968,180.30 = 80,323,089.80/x
  3. Step 3: Cross multiply
    93,312,120.20x = 139,968,180.30 × 80,323,089.80
  4. Step 4: Simplify right side
    93,312,120.20x = 11,242,676,715,379,492
  5. Step 5: Solve for x
    x = 11,242,676,715,379,492/93,312,120.20
  6. Step 6: Final answer
    x = 120,484,634.70

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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.