Home / 141,458,580.33-195,212,543.63-79,578,918.96

Finding the Fourth Proportional to 141,458,580.33, 195,212,543.63 and 79,578,918.96

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Solution

The fourth proportional to 141,458,580.33, 195,212,543.63 and 79,578,918.96 is: 109,818,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458,580.33 : 195,212,543.63 = 79,578,918.96 : x
  2. Step 2: Convert to fraction form
    141,458,580.33/195,212,543.63 = 79,578,918.96/x
  3. Step 3: Cross multiply
    141,458,580.33x = 195,212,543.63 × 79,578,918.96
  4. Step 4: Simplify right side
    141,458,580.33x = 15,534,803,189,507,232
  5. Step 5: Solve for x
    x = 15,534,803,189,507,232/141,458,580.33
  6. Step 6: Final answer
    x = 109,818,740.96

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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.