Home / 71,139,666.34-98,172,805.08-38,544,618.34

Finding the Fourth Proportional to 71,139,666.34, 98,172,805.08 and 38,544,618.34

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Solution

The fourth proportional to 71,139,666.34, 98,172,805.08 and 38,544,618.34 is: 53,191,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,139,666.34 : 98,172,805.08 = 38,544,618.34 : x
  2. Step 2: Convert to fraction form
    71,139,666.34/98,172,805.08 = 38,544,618.34/x
  3. Step 3: Cross multiply
    71,139,666.34x = 98,172,805.08 × 38,544,618.34
  4. Step 4: Simplify right side
    71,139,666.34x = 3,784,033,303,175,813.50
  5. Step 5: Solve for x
    x = 3,784,033,303,175,813.50/71,139,666.34
  6. Step 6: Final answer
    x = 53,191,608.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.