Home / 137,155,608.17-189,275,234.80-74,431,692.50

Finding the Fourth Proportional to 137,155,608.17, 189,275,234.80 and 74,431,692.50

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Solution

The fourth proportional to 137,155,608.17, 189,275,234.80 and 74,431,692.50 is: 102,716,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,155,608.17 : 189,275,234.80 = 74,431,692.50 : x
  2. Step 2: Convert to fraction form
    137,155,608.17/189,275,234.80 = 74,431,692.50/x
  3. Step 3: Cross multiply
    137,155,608.17x = 189,275,234.80 × 74,431,692.50
  4. Step 4: Simplify right side
    137,155,608.17x = 14,088,076,075,259,214
  5. Step 5: Solve for x
    x = 14,088,076,075,259,214/137,155,608.17
  6. Step 6: Final answer
    x = 102,716,004.57

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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.