Home / 181,867,730.80-272,801,596.20-109,308,319.60

Finding the Fourth Proportional to 181,867,730.80, 272,801,596.20 and 109,308,319.60

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Solution

The fourth proportional to 181,867,730.80, 272,801,596.20 and 109,308,319.60 is: 163,962,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,867,730.80 : 272,801,596.20 = 109,308,319.60 : x
  2. Step 2: Convert to fraction form
    181,867,730.80/272,801,596.20 = 109,308,319.60/x
  3. Step 3: Cross multiply
    181,867,730.80x = 272,801,596.20 × 109,308,319.60
  4. Step 4: Simplify right side
    181,867,730.80x = 29,819,484,064,819,744
  5. Step 5: Solve for x
    x = 29,819,484,064,819,744/181,867,730.80
  6. Step 6: Final answer
    x = 163,962,479.40

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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.