Home / 74,281,117.84-111,453,171.72-35,971,176.40

Finding the Fourth Proportional to 74,281,117.84, 111,453,171.72 and 35,971,176.40

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Solution

The fourth proportional to 74,281,117.84, 111,453,171.72 and 35,971,176.40 is: 53,972,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,281,117.84 : 111,453,171.72 = 35,971,176.40 : x
  2. Step 2: Convert to fraction form
    74,281,117.84/111,453,171.72 = 35,971,176.40/x
  3. Step 3: Cross multiply
    74,281,117.84x = 111,453,171.72 × 35,971,176.40
  4. Step 4: Simplify right side
    74,281,117.84x = 4,009,101,700,279,611
  5. Step 5: Solve for x
    x = 4,009,101,700,279,611/74,281,117.84
  6. Step 6: Final answer
    x = 53,972,016.27

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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.