Home / 199,303,313.40-298,954,970.10-55,696,145.40

Finding the Fourth Proportional to 199,303,313.40, 298,954,970.10 and 55,696,145.40

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Solution

The fourth proportional to 199,303,313.40, 298,954,970.10 and 55,696,145.40 is: 83,544,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,313.40 : 298,954,970.10 = 55,696,145.40 : x
  2. Step 2: Convert to fraction form
    199,303,313.40/298,954,970.10 = 55,696,145.40/x
  3. Step 3: Cross multiply
    199,303,313.40x = 298,954,970.10 × 55,696,145.40
  4. Step 4: Simplify right side
    199,303,313.40x = 16,650,639,482,742,254
  5. Step 5: Solve for x
    x = 16,650,639,482,742,254/199,303,313.40
  6. Step 6: Final answer
    x = 83,544,218.10

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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.