Home / 56,169,969.60-84,254,954.40-39,149,860.80

Finding the Fourth Proportional to 56,169,969.60, 84,254,954.40 and 39,149,860.80

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Solution

The fourth proportional to 56,169,969.60, 84,254,954.40 and 39,149,860.80 is: 58,724,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169,969.60 : 84,254,954.40 = 39,149,860.80 : x
  2. Step 2: Convert to fraction form
    56,169,969.60/84,254,954.40 = 39,149,860.80/x
  3. Step 3: Cross multiply
    56,169,969.60x = 84,254,954.40 × 39,149,860.80
  4. Step 4: Simplify right side
    56,169,969.60x = 3,298,569,736,470,347.50
  5. Step 5: Solve for x
    x = 3,298,569,736,470,347.50/56,169,969.60
  6. Step 6: Final answer
    x = 58,724,791.20

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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.