Home / 242,208,470.96-334,684,912.74-172,472,783.48

Finding the Fourth Proportional to 242,208,470.96, 334,684,912.74 and 172,472,783.48

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Solution

The fourth proportional to 242,208,470.96, 334,684,912.74 and 172,472,783.48 is: 238,323,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,208,470.96 : 334,684,912.74 = 172,472,783.48 : x
  2. Step 2: Convert to fraction form
    242,208,470.96/334,684,912.74 = 172,472,783.48/x
  3. Step 3: Cross multiply
    242,208,470.96x = 334,684,912.74 × 172,472,783.48
  4. Step 4: Simplify right side
    242,208,470.96x = 57,724,038,489,028,712
  5. Step 5: Solve for x
    x = 57,724,038,489,028,712/242,208,470.96
  6. Step 6: Final answer
    x = 238,323,780.59

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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.