Home / 119,619,841.30-179,429,762.05-28,743,430.30

Finding the Fourth Proportional to 119,619,841.30, 179,429,762.05 and 28,743,430.30

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Solution

The fourth proportional to 119,619,841.30, 179,429,762.05 and 28,743,430.30 is: 43,115,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,619,841.30 : 179,429,762.05 = 28,743,430.30 : x
  2. Step 2: Convert to fraction form
    119,619,841.30/179,429,762.05 = 28,743,430.30/x
  3. Step 3: Cross multiply
    119,619,841.30x = 179,429,762.05 × 28,743,430.30
  4. Step 4: Simplify right side
    119,619,841.30x = 5,157,426,858,709,327
  5. Step 5: Solve for x
    x = 5,157,426,858,709,327/119,619,841.30
  6. Step 6: Final answer
    x = 43,115,145.47

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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.