Home / 127,089,001.20-190,633,501.80-34,972,561.20

Finding the Fourth Proportional to 127,089,001.20, 190,633,501.80 and 34,972,561.20

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Solution

The fourth proportional to 127,089,001.20, 190,633,501.80 and 34,972,561.20 is: 52,458,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089,001.20 : 190,633,501.80 = 34,972,561.20 : x
  2. Step 2: Convert to fraction form
    127,089,001.20/190,633,501.80 = 34,972,561.20/x
  3. Step 3: Cross multiply
    127,089,001.20x = 190,633,501.80 × 34,972,561.20
  4. Step 4: Simplify right side
    127,089,001.20x = 6,666,941,808,470,811
  5. Step 5: Solve for x
    x = 6,666,941,808,470,811/127,089,001.20
  6. Step 6: Final answer
    x = 52,458,841.80

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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.