Home / 119,699,468.20-165,181,953.54-67,488,041.08

Finding the Fourth Proportional to 119,699,468.20, 165,181,953.54 and 67,488,041.08

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Solution

The fourth proportional to 119,699,468.20, 165,181,953.54 and 67,488,041.08 is: 93,131,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,699,468.20 : 165,181,953.54 = 67,488,041.08 : x
  2. Step 2: Convert to fraction form
    119,699,468.20/165,181,953.54 = 67,488,041.08/x
  3. Step 3: Cross multiply
    119,699,468.20x = 165,181,953.54 × 67,488,041.08
  4. Step 4: Simplify right side
    119,699,468.20x = 11,147,806,466,182,170
  5. Step 5: Solve for x
    x = 11,147,806,466,182,170/119,699,468.20
  6. Step 6: Final answer
    x = 93,131,629.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.