Home / 252,532,365.80-378,798,548.70-155,172,374.60

Finding the Fourth Proportional to 252,532,365.80, 378,798,548.70 and 155,172,374.60

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Solution

The fourth proportional to 252,532,365.80, 378,798,548.70 and 155,172,374.60 is: 232,758,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,532,365.80 : 378,798,548.70 = 155,172,374.60 : x
  2. Step 2: Convert to fraction form
    252,532,365.80/378,798,548.70 = 155,172,374.60/x
  3. Step 3: Cross multiply
    252,532,365.80x = 378,798,548.70 × 155,172,374.60
  4. Step 4: Simplify right side
    252,532,365.80x = 58,779,070,296,812,736
  5. Step 5: Solve for x
    x = 58,779,070,296,812,736/252,532,365.80
  6. Step 6: Final answer
    x = 232,758,561.90

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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.