Home / 171,709,038.40-257,575,999.20-103,404,654.40

Finding the Fourth Proportional to 171,709,038.40, 257,575,999.20 and 103,404,654.40

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Solution

The fourth proportional to 171,709,038.40, 257,575,999.20 and 103,404,654.40 is: 155,114,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,709,038.40 : 257,575,999.20 = 103,404,654.40 : x
  2. Step 2: Convert to fraction form
    171,709,038.40/257,575,999.20 = 103,404,654.40/x
  3. Step 3: Cross multiply
    171,709,038.40x = 257,575,999.20 × 103,404,654.40
  4. Step 4: Simplify right side
    171,709,038.40x = 26,634,557,179,010,676
  5. Step 5: Solve for x
    x = 26,634,557,179,010,676/171,709,038.40
  6. Step 6: Final answer
    x = 155,114,474.04

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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.