Home / 70,328,975.08-97,023,069.78-42,436,127.44

Finding the Fourth Proportional to 70,328,975.08, 97,023,069.78 and 42,436,127.44

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Solution

The fourth proportional to 70,328,975.08, 97,023,069.78 and 42,436,127.44 is: 58,543,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328,975.08 : 97,023,069.78 = 42,436,127.44 : x
  2. Step 2: Convert to fraction form
    70,328,975.08/97,023,069.78 = 42,436,127.44/x
  3. Step 3: Cross multiply
    70,328,975.08x = 97,023,069.78 × 42,436,127.44
  4. Step 4: Simplify right side
    70,328,975.08x = 4,117,283,353,804,092.50
  5. Step 5: Solve for x
    x = 4,117,283,353,804,092.50/70,328,975.08
  6. Step 6: Final answer
    x = 58,543,201.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.