Home / 74,085,266.70-111,127,900.05-72,668,090.70

Finding the Fourth Proportional to 74,085,266.70, 111,127,900.05 and 72,668,090.70

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Solution

The fourth proportional to 74,085,266.70, 111,127,900.05 and 72,668,090.70 is: 109,002,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085,266.70 : 111,127,900.05 = 72,668,090.70 : x
  2. Step 2: Convert to fraction form
    74,085,266.70/111,127,900.05 = 72,668,090.70/x
  3. Step 3: Cross multiply
    74,085,266.70x = 111,127,900.05 × 72,668,090.70
  4. Step 4: Simplify right side
    74,085,266.70x = 8,075,452,320,133,935
  5. Step 5: Solve for x
    x = 8,075,452,320,133,935/74,085,266.70
  6. Step 6: Final answer
    x = 109,002,136.05

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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.