Home / 346,539,739.20-519,809,608.80-142,214,452.80

Finding the Fourth Proportional to 346,539,739.20, 519,809,608.80 and 142,214,452.80

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Solution

The fourth proportional to 346,539,739.20, 519,809,608.80 and 142,214,452.80 is: 213,321,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,539,739.20 : 519,809,608.80 = 142,214,452.80 : x
  2. Step 2: Convert to fraction form
    346,539,739.20/519,809,608.80 = 142,214,452.80/x
  3. Step 3: Cross multiply
    346,539,739.20x = 519,809,608.80 × 142,214,452.80
  4. Step 4: Simplify right side
    346,539,739.20x = 73,924,439,075,674,080
  5. Step 5: Solve for x
    x = 73,924,439,075,674,080/346,539,739.20
  6. Step 6: Final answer
    x = 213,321,679.20

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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.