Home / 127,290,727.28-190,833,113.46-39,807,234.86

Finding the Fourth Proportional to 127,290,727.28, 190,833,113.46 and 39,807,234.86

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Solution

The fourth proportional to 127,290,727.28, 190,833,113.46 and 39,807,234.86 is: 59,678,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,290,727.28 : 190,833,113.46 = 39,807,234.86 : x
  2. Step 2: Convert to fraction form
    127,290,727.28/190,833,113.46 = 39,807,234.86/x
  3. Step 3: Cross multiply
    127,290,727.28x = 190,833,113.46 × 39,807,234.86
  4. Step 4: Simplify right side
    127,290,727.28x = 7,596,538,566,567,247
  5. Step 5: Solve for x
    x = 7,596,538,566,567,247/127,290,727.28
  6. Step 6: Final answer
    x = 59,678,648.47

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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.