Home / 93,041,390.40-139,562,085.60-91,606,499.70

Finding the Fourth Proportional to 93,041,390.40, 139,562,085.60 and 91,606,499.70

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Solution

The fourth proportional to 93,041,390.40, 139,562,085.60 and 91,606,499.70 is: 137,409,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,041,390.40 : 139,562,085.60 = 91,606,499.70 : x
  2. Step 2: Convert to fraction form
    93,041,390.40/139,562,085.60 = 91,606,499.70/x
  3. Step 3: Cross multiply
    93,041,390.40x = 139,562,085.60 × 91,606,499.70
  4. Step 4: Simplify right side
    93,041,390.40x = 12,784,794,152,647,774
  5. Step 5: Solve for x
    x = 12,784,794,152,647,774/93,041,390.40
  6. Step 6: Final answer
    x = 137,409,749.55

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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.