Home / 166,415,564.20-249,623,346.30-75,716,300.20

Finding the Fourth Proportional to 166,415,564.20, 249,623,346.30 and 75,716,300.20

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Solution

The fourth proportional to 166,415,564.20, 249,623,346.30 and 75,716,300.20 is: 113,574,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415,564.20 : 249,623,346.30 = 75,716,300.20 : x
  2. Step 2: Convert to fraction form
    166,415,564.20/249,623,346.30 = 75,716,300.20/x
  3. Step 3: Cross multiply
    166,415,564.20x = 249,623,346.30 × 75,716,300.20
  4. Step 4: Simplify right side
    166,415,564.20x = 18,900,556,225,379,360
  5. Step 5: Solve for x
    x = 18,900,556,225,379,360/166,415,564.20
  6. Step 6: Final answer
    x = 113,574,450.30

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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.