Home / 143,046,015.60-214,569,023.40-73,958,685.60

Finding the Fourth Proportional to 143,046,015.60, 214,569,023.40 and 73,958,685.60

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Solution

The fourth proportional to 143,046,015.60, 214,569,023.40 and 73,958,685.60 is: 110,938,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,046,015.60 : 214,569,023.40 = 73,958,685.60 : x
  2. Step 2: Convert to fraction form
    143,046,015.60/214,569,023.40 = 73,958,685.60/x
  3. Step 3: Cross multiply
    143,046,015.60x = 214,569,023.40 × 73,958,685.60
  4. Step 4: Simplify right side
    143,046,015.60x = 15,869,242,941,139,642
  5. Step 5: Solve for x
    x = 15,869,242,941,139,642/143,046,015.60
  6. Step 6: Final answer
    x = 110,938,028.40

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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.