Home / 121,116,699.60-181,717,039.80-53,008,270.80

Finding the Fourth Proportional to 121,116,699.60, 181,717,039.80 and 53,008,270.80

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Solution

The fourth proportional to 121,116,699.60, 181,717,039.80 and 53,008,270.80 is: 79,530,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116,699.60 : 181,717,039.80 = 53,008,270.80 : x
  2. Step 2: Convert to fraction form
    121,116,699.60/181,717,039.80 = 53,008,270.80/x
  3. Step 3: Cross multiply
    121,116,699.60x = 181,717,039.80 × 53,008,270.80
  4. Step 4: Simplify right side
    121,116,699.60x = 9,632,506,054,692,778
  5. Step 5: Solve for x
    x = 9,632,506,054,692,778/121,116,699.60
  6. Step 6: Final answer
    x = 79,530,783.83

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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.