Home / 107,872,009.80-161,808,014.70-36,068,425.80

Finding the Fourth Proportional to 107,872,009.80, 161,808,014.70 and 36,068,425.80

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Solution

The fourth proportional to 107,872,009.80, 161,808,014.70 and 36,068,425.80 is: 54,102,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872,009.80 : 161,808,014.70 = 36,068,425.80 : x
  2. Step 2: Convert to fraction form
    107,872,009.80/161,808,014.70 = 36,068,425.80/x
  3. Step 3: Cross multiply
    107,872,009.80x = 161,808,014.70 × 36,068,425.80
  4. Step 4: Simplify right side
    107,872,009.80x = 5,836,160,372,052,258
  5. Step 5: Solve for x
    x = 5,836,160,372,052,258/107,872,009.80
  6. Step 6: Final answer
    x = 54,102,638.70

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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.