Home / 253,595,641.17-380,127,969.02-106,127,692.12

Finding the Fourth Proportional to 253,595,641.17, 380,127,969.02 and 106,127,692.12

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Solution

The fourth proportional to 253,595,641.17, 380,127,969.02 and 106,127,692.12 is: 159,080,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,595,641.17 : 380,127,969.02 = 106,127,692.12 : x
  2. Step 2: Convert to fraction form
    253,595,641.17/380,127,969.02 = 106,127,692.12/x
  3. Step 3: Cross multiply
    253,595,641.17x = 380,127,969.02 × 106,127,692.12
  4. Step 4: Simplify right side
    253,595,641.17x = 40,342,104,061,670,456
  5. Step 5: Solve for x
    x = 40,342,104,061,670,456/253,595,641.17
  6. Step 6: Final answer
    x = 159,080,431.65

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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.