Home / 253,692,029.10-380,538,043.65-144,852,912.30

Finding the Fourth Proportional to 253,692,029.10, 380,538,043.65 and 144,852,912.30

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Solution

The fourth proportional to 253,692,029.10, 380,538,043.65 and 144,852,912.30 is: 217,279,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,692,029.10 : 380,538,043.65 = 144,852,912.30 : x
  2. Step 2: Convert to fraction form
    253,692,029.10/380,538,043.65 = 144,852,912.30/x
  3. Step 3: Cross multiply
    253,692,029.10x = 380,538,043.65 × 144,852,912.30
  4. Step 4: Simplify right side
    253,692,029.10x = 55,122,043,863,647,024
  5. Step 5: Solve for x
    x = 55,122,043,863,647,024/253,692,029.10
  6. Step 6: Final answer
    x = 217,279,368.45

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1.5x scale

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.