Home / 127,974,647.60-191,961,971.40-56,171,063.60

Finding the Fourth Proportional to 127,974,647.60, 191,961,971.40 and 56,171,063.60

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Solution

The fourth proportional to 127,974,647.60, 191,961,971.40 and 56,171,063.60 is: 84,256,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,974,647.60 : 191,961,971.40 = 56,171,063.60 : x
  2. Step 2: Convert to fraction form
    127,974,647.60/191,961,971.40 = 56,171,063.60/x
  3. Step 3: Cross multiply
    127,974,647.60x = 191,961,971.40 × 56,171,063.60
  4. Step 4: Simplify right side
    127,974,647.60x = 10,782,708,104,290,782
  5. Step 5: Solve for x
    x = 10,782,708,104,290,782/127,974,647.60
  6. Step 6: Final answer
    x = 84,256,595.40

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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.