Home / 93,312,936.80-139,969,405.20-89,281,858.40

Finding the Fourth Proportional to 93,312,936.80, 139,969,405.20 and 89,281,858.40

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Solution

The fourth proportional to 93,312,936.80, 139,969,405.20 and 89,281,858.40 is: 133,922,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,936.80 : 139,969,405.20 = 89,281,858.40 : x
  2. Step 2: Convert to fraction form
    93,312,936.80/139,969,405.20 = 89,281,858.40/x
  3. Step 3: Cross multiply
    93,312,936.80x = 139,969,405.20 × 89,281,858.40
  4. Step 4: Simplify right side
    93,312,936.80x = 12,496,728,615,398,624
  5. Step 5: Solve for x
    x = 12,496,728,615,398,624/93,312,936.80
  6. Step 6: Final answer
    x = 133,922,787.60

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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.