Home / 320,089,061.18-441,723,352.65-173,411,345.18

Finding the Fourth Proportional to 320,089,061.18, 441,723,352.65 and 173,411,345.18

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Solution

The fourth proportional to 320,089,061.18, 441,723,352.65 and 173,411,345.18 is: 239,307,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,061.18 : 441,723,352.65 = 173,411,345.18 : x
  2. Step 2: Convert to fraction form
    320,089,061.18/441,723,352.65 = 173,411,345.18/x
  3. Step 3: Cross multiply
    320,089,061.18x = 441,723,352.65 × 173,411,345.18
  4. Step 4: Simplify right side
    320,089,061.18x = 76,599,840,780,456,016
  5. Step 5: Solve for x
    x = 76,599,840,780,456,016/320,089,061.18
  6. Step 6: Final answer
    x = 239,307,899.18

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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.