Home / 127,788,363.60-191,682,545.40-120,230,091.60

Finding the Fourth Proportional to 127,788,363.60, 191,682,545.40 and 120,230,091.60

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Solution

The fourth proportional to 127,788,363.60, 191,682,545.40 and 120,230,091.60 is: 180,345,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,788,363.60 : 191,682,545.40 = 120,230,091.60 : x
  2. Step 2: Convert to fraction form
    127,788,363.60/191,682,545.40 = 120,230,091.60/x
  3. Step 3: Cross multiply
    127,788,363.60x = 191,682,545.40 × 120,230,091.60
  4. Step 4: Simplify right side
    127,788,363.60x = 23,046,009,991,563,160
  5. Step 5: Solve for x
    x = 23,046,009,991,563,160/127,788,363.60
  6. Step 6: Final answer
    x = 180,345,137.40

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1.5x scale

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.