Home / 84,920,556.10-127,191,877.35-69,804,012.10

Finding the Fourth Proportional to 84,920,556.10, 127,191,877.35 and 69,804,012.10

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Solution

The fourth proportional to 84,920,556.10, 127,191,877.35 and 69,804,012.10 is: 104,550,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920,556.10 : 127,191,877.35 = 69,804,012.10 : x
  2. Step 2: Convert to fraction form
    84,920,556.10/127,191,877.35 = 69,804,012.10/x
  3. Step 3: Cross multiply
    84,920,556.10x = 127,191,877.35 × 69,804,012.10
  4. Step 4: Simplify right side
    84,920,556.10x = 8,878,503,345,561,115
  5. Step 5: Solve for x
    x = 8,878,503,345,561,115/84,920,556.10
  6. Step 6: Final answer
    x = 104,550,697.18

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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.