Home / 203,974,688.15-305,962,032.23-163,663,904.15

Finding the Fourth Proportional to 203,974,688.15, 305,962,032.23 and 163,663,904.15

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Solution

The fourth proportional to 203,974,688.15, 305,962,032.23 and 163,663,904.15 is: 245,495,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974,688.15 : 305,962,032.23 = 163,663,904.15 : x
  2. Step 2: Convert to fraction form
    203,974,688.15/305,962,032.23 = 163,663,904.15/x
  3. Step 3: Cross multiply
    203,974,688.15x = 305,962,032.23 × 163,663,904.15
  4. Step 4: Simplify right side
    203,974,688.15x = 50,074,940,716,429,936
  5. Step 5: Solve for x
    x = 50,074,940,716,429,936/203,974,688.15
  6. Step 6: Final answer
    x = 245,495,856.23

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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.