Home / 309,243,713.40-464,201,697.54-125,137,927.32

Finding the Fourth Proportional to 309,243,713.40, 464,201,697.54 and 125,137,927.32

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Solution

The fourth proportional to 309,243,713.40, 464,201,697.54 and 125,137,927.32 is: 187,842,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,243,713.40 : 464,201,697.54 = 125,137,927.32 : x
  2. Step 2: Convert to fraction form
    309,243,713.40/464,201,697.54 = 125,137,927.32/x
  3. Step 3: Cross multiply
    309,243,713.40x = 464,201,697.54 × 125,137,927.32
  4. Step 4: Simplify right side
    309,243,713.40x = 58,089,238,288,581,144
  5. Step 5: Solve for x
    x = 58,089,238,288,581,144/309,243,713.40
  6. Step 6: Final answer
    x = 187,842,907.62

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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.