Home / 84,201,657.60-126,302,486.40-61,526,841.60

Finding the Fourth Proportional to 84,201,657.60, 126,302,486.40 and 61,526,841.60

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Solution

The fourth proportional to 84,201,657.60, 126,302,486.40 and 61,526,841.60 is: 92,290,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201,657.60 : 126,302,486.40 = 61,526,841.60 : x
  2. Step 2: Convert to fraction form
    84,201,657.60/126,302,486.40 = 61,526,841.60/x
  3. Step 3: Cross multiply
    84,201,657.60x = 126,302,486.40 × 61,526,841.60
  4. Step 4: Simplify right side
    84,201,657.60x = 7,770,993,074,418,955
  5. Step 5: Solve for x
    x = 7,770,993,074,418,955/84,201,657.60
  6. Step 6: Final answer
    x = 92,290,262.40

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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.