Home / 93,606,630.80-140,409,946.20-85,245,875.60

Finding the Fourth Proportional to 93,606,630.80, 140,409,946.20 and 85,245,875.60

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Solution

The fourth proportional to 93,606,630.80, 140,409,946.20 and 85,245,875.60 is: 127,868,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606,630.80 : 140,409,946.20 = 85,245,875.60 : x
  2. Step 2: Convert to fraction form
    93,606,630.80/140,409,946.20 = 85,245,875.60/x
  3. Step 3: Cross multiply
    93,606,630.80x = 140,409,946.20 × 85,245,875.60
  4. Step 4: Simplify right side
    93,606,630.80x = 11,969,368,806,767,890
  5. Step 5: Solve for x
    x = 11,969,368,806,767,890/93,606,630.80
  6. Step 6: Final answer
    x = 127,868,813.40

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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.