Home / 119,702,075.55-165,188,935.13-66,778,783.44

Finding the Fourth Proportional to 119,702,075.55, 165,188,935.13 and 66,778,783.44

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Solution

The fourth proportional to 119,702,075.55, 165,188,935.13 and 66,778,783.44 is: 92,154,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702,075.55 : 165,188,935.13 = 66,778,783.44 : x
  2. Step 2: Convert to fraction form
    119,702,075.55/165,188,935.13 = 66,778,783.44/x
  3. Step 3: Cross multiply
    119,702,075.55x = 165,188,935.13 × 66,778,783.44
  4. Step 4: Simplify right side
    119,702,075.55x = 11,031,116,125,396,584
  5. Step 5: Solve for x
    x = 11,031,116,125,396,584/119,702,075.55
  6. Step 6: Final answer
    x = 92,154,760.68

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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.