Home / 93,312,229.20-139,968,343.80-81,974,821.20

Finding the Fourth Proportional to 93,312,229.20, 139,968,343.80 and 81,974,821.20

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Solution

The fourth proportional to 93,312,229.20, 139,968,343.80 and 81,974,821.20 is: 122,962,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,229.20 : 139,968,343.80 = 81,974,821.20 : x
  2. Step 2: Convert to fraction form
    93,312,229.20/139,968,343.80 = 81,974,821.20/x
  3. Step 3: Cross multiply
    93,312,229.20x = 139,968,343.80 × 81,974,821.20
  4. Step 4: Simplify right side
    93,312,229.20x = 11,473,879,956,665,130
  5. Step 5: Solve for x
    x = 11,473,879,956,665,130/93,312,229.20
  6. Step 6: Final answer
    x = 122,962,231.80

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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.