Home / 210,806,389,174.43-316,249,665,238.68-69,356,585,837.27

Finding the Fourth Proportional to 210,806,389,174.43, 316,249,665,238.68 and 69,356,585,837.27

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Solution

The fourth proportional to 210,806,389,174.43, 316,249,665,238.68 and 69,356,585,837.27 is: 104,048,065,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,806,389,174.43 : 316,249,665,238.68 = 69,356,585,837.27 : x
  2. Step 2: Convert to fraction form
    210,806,389,174.43/316,249,665,238.68 = 69,356,585,837.27/x
  3. Step 3: Cross multiply
    210,806,389,174.43x = 316,249,665,238.68 × 69,356,585,837.27
  4. Step 4: Simplify right side
    210,806,389,174.43x = 21,933,997,053,132,828,311,552
  5. Step 5: Solve for x
    x = 21,933,997,053,132,828,311,552/210,806,389,174.43
  6. Step 6: Final answer
    x = 104,048,065,805.94

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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.