Home / 93,312,832.80-139,969,249.20-87,639,463.20

Finding the Fourth Proportional to 93,312,832.80, 139,969,249.20 and 87,639,463.20

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Solution

The fourth proportional to 93,312,832.80, 139,969,249.20 and 87,639,463.20 is: 131,459,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,832.80 : 139,969,249.20 = 87,639,463.20 : x
  2. Step 2: Convert to fraction form
    93,312,832.80/139,969,249.20 = 87,639,463.20/x
  3. Step 3: Cross multiply
    93,312,832.80x = 139,969,249.20 × 87,639,463.20
  4. Step 4: Simplify right side
    93,312,832.80x = 12,266,829,864,395,028
  5. Step 5: Solve for x
    x = 12,266,829,864,395,028/93,312,832.80
  6. Step 6: Final answer
    x = 131,459,194.80

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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.