Home / 127,872,003.70-191,808,005.55-73,284,483.70

Finding the Fourth Proportional to 127,872,003.70, 191,808,005.55 and 73,284,483.70

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Solution

The fourth proportional to 127,872,003.70, 191,808,005.55 and 73,284,483.70 is: 109,926,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,003.70 : 191,808,005.55 = 73,284,483.70 : x
  2. Step 2: Convert to fraction form
    127,872,003.70/191,808,005.55 = 73,284,483.70/x
  3. Step 3: Cross multiply
    127,872,003.70x = 191,808,005.55 × 73,284,483.70
  4. Step 4: Simplify right side
    127,872,003.70x = 14,056,550,656,258,486
  5. Step 5: Solve for x
    x = 14,056,550,656,258,486/127,872,003.70
  6. Step 6: Final answer
    x = 109,926,725.55

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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.