Home / 93,085,874.10-139,628,811.15-83,041,639.20

Finding the Fourth Proportional to 93,085,874.10, 139,628,811.15 and 83,041,639.20

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Solution

The fourth proportional to 93,085,874.10, 139,628,811.15 and 83,041,639.20 is: 124,562,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085,874.10 : 139,628,811.15 = 83,041,639.20 : x
  2. Step 2: Convert to fraction form
    93,085,874.10/139,628,811.15 = 83,041,639.20/x
  3. Step 3: Cross multiply
    93,085,874.10x = 139,628,811.15 × 83,041,639.20
  4. Step 4: Simplify right side
    93,085,874.10x = 11,595,005,357,443,238
  5. Step 5: Solve for x
    x = 11,595,005,357,443,238/93,085,874.10
  6. Step 6: Final answer
    x = 124,562,458.80

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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.