Home / 176,387,659.65-243,315,693.87-105,804,489.32

Finding the Fourth Proportional to 176,387,659.65, 243,315,693.87 and 105,804,489.32

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Solution

The fourth proportional to 176,387,659.65, 243,315,693.87 and 105,804,489.32 is: 145,950,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,387,659.65 : 243,315,693.87 = 105,804,489.32 : x
  2. Step 2: Convert to fraction form
    176,387,659.65/243,315,693.87 = 105,804,489.32/x
  3. Step 3: Cross multiply
    176,387,659.65x = 243,315,693.87 × 105,804,489.32
  4. Step 4: Simplify right side
    176,387,659.65x = 25,743,892,732,240,224
  5. Step 5: Solve for x
    x = 25,743,892,732,240,224/176,387,659.65
  6. Step 6: Final answer
    x = 145,950,645.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.