Home / 316,467,725.40-474,785,568.90-111,974,477.40

Finding the Fourth Proportional to 316,467,725.40, 474,785,568.90 and 111,974,477.40

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Solution

The fourth proportional to 316,467,725.40, 474,785,568.90 and 111,974,477.40 is: 167,991,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,467,725.40 : 474,785,568.90 = 111,974,477.40 : x
  2. Step 2: Convert to fraction form
    316,467,725.40/474,785,568.90 = 111,974,477.40/x
  3. Step 3: Cross multiply
    316,467,725.40x = 474,785,568.90 × 111,974,477.40
  4. Step 4: Simplify right side
    316,467,725.40x = 53,163,865,954,639,192
  5. Step 5: Solve for x
    x = 53,163,865,954,639,192/316,467,725.40
  6. Step 6: Final answer
    x = 167,991,430.68

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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.