Home / 84,920,556.60-127,191,878.10-69,804,012.60

Finding the Fourth Proportional to 84,920,556.60, 127,191,878.10 and 69,804,012.60

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Solution

The fourth proportional to 84,920,556.60, 127,191,878.10 and 69,804,012.60 is: 104,550,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920,556.60 : 127,191,878.10 = 69,804,012.60 : x
  2. Step 2: Convert to fraction form
    84,920,556.60/127,191,878.10 = 69,804,012.60/x
  3. Step 3: Cross multiply
    84,920,556.60x = 127,191,878.10 × 69,804,012.60
  4. Step 4: Simplify right side
    84,920,556.60x = 8,878,503,461,510,063
  5. Step 5: Solve for x
    x = 8,878,503,461,510,063/84,920,556.60
  6. Step 6: Final answer
    x = 104,550,697.93

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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.