Home / 121,294,866.80-182,005,285.80-53,144,447.60

Finding the Fourth Proportional to 121,294,866.80, 182,005,285.80 and 53,144,447.60

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Solution

The fourth proportional to 121,294,866.80, 182,005,285.80 and 53,144,447.60 is: 79,744,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294,866.80 : 182,005,285.80 = 53,144,447.60 : x
  2. Step 2: Convert to fraction form
    121,294,866.80/182,005,285.80 = 53,144,447.60/x
  3. Step 3: Cross multiply
    121,294,866.80x = 182,005,285.80 × 53,144,447.60
  4. Step 4: Simplify right side
    121,294,866.80x = 9,672,570,374,121,124
  5. Step 5: Solve for x
    x = 9,672,570,374,121,124/121,294,866.80
  6. Step 6: Final answer
    x = 79,744,268.07

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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.