Home / 74,681,273.82-111,810,658.71-39,586,421.91

Finding the Fourth Proportional to 74,681,273.82, 111,810,658.71 and 39,586,421.91

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Solution

The fourth proportional to 74,681,273.82, 111,810,658.71 and 39,586,421.91 is: 59,267,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681,273.82 : 111,810,658.71 = 39,586,421.91 : x
  2. Step 2: Convert to fraction form
    74,681,273.82/111,810,658.71 = 39,586,421.91/x
  3. Step 3: Cross multiply
    74,681,273.82x = 111,810,658.71 × 39,586,421.91
  4. Step 4: Simplify right side
    74,681,273.82x = 4,426,183,909,729,075.50
  5. Step 5: Solve for x
    x = 4,426,183,909,729,075.50/74,681,273.82
  6. Step 6: Final answer
    x = 59,267,654.17

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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.