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Finding the Fourth Proportional to 59,118,775.80, 81,622,299.03 and 52,913,075.82

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Solution

The fourth proportional to 59,118,775.80, 81,622,299.03 and 52,913,075.82 is: 73,054,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,118,775.80 : 81,622,299.03 = 52,913,075.82 : x
  2. Step 2: Convert to fraction form
    59,118,775.80/81,622,299.03 = 52,913,075.82/x
  3. Step 3: Cross multiply
    59,118,775.80x = 81,622,299.03 × 52,913,075.82
  4. Step 4: Simplify right side
    59,118,775.80x = 4,318,886,897,177,102.50
  5. Step 5: Solve for x
    x = 4,318,886,897,177,102.50/59,118,775.80
  6. Step 6: Final answer
    x = 73,054,403.42

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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.