Home / 64,755,030.80-97,120,104.60-19,318,307.60

Finding the Fourth Proportional to 64,755,030.80, 97,120,104.60 and 19,318,307.60

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Solution

The fourth proportional to 64,755,030.80, 97,120,104.60 and 19,318,307.60 is: 28,973,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755,030.80 : 97,120,104.60 = 19,318,307.60 : x
  2. Step 2: Convert to fraction form
    64,755,030.80/97,120,104.60 = 19,318,307.60/x
  3. Step 3: Cross multiply
    64,755,030.80x = 97,120,104.60 × 19,318,307.60
  4. Step 4: Simplify right side
    64,755,030.80x = 1,876,196,054,806,975
  5. Step 5: Solve for x
    x = 1,876,196,054,806,975/64,755,030.80
  6. Step 6: Final answer
    x = 28,973,749.71

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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.