Home / 166,415,266.70-249,622,900.05-75,716,002.70

Finding the Fourth Proportional to 166,415,266.70, 249,622,900.05 and 75,716,002.70

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Solution

The fourth proportional to 166,415,266.70, 249,622,900.05 and 75,716,002.70 is: 113,574,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415,266.70 : 249,622,900.05 = 75,716,002.70 : x
  2. Step 2: Convert to fraction form
    166,415,266.70/249,622,900.05 = 75,716,002.70/x
  3. Step 3: Cross multiply
    166,415,266.70x = 249,622,900.05 × 75,716,002.70
  4. Step 4: Simplify right side
    166,415,266.70x = 18,900,448,174,167,632
  5. Step 5: Solve for x
    x = 18,900,448,174,167,632/166,415,266.70
  6. Step 6: Final answer
    x = 113,574,004.05

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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.