Home / 71,269,830.45-98,352,366.03-38,674,782.45

Finding the Fourth Proportional to 71,269,830.45, 98,352,366.03 and 38,674,782.45

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Solution

The fourth proportional to 71,269,830.45, 98,352,366.03 and 38,674,782.45 is: 53,371,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,830.45 : 98,352,366.03 = 38,674,782.45 : x
  2. Step 2: Convert to fraction form
    71,269,830.45/98,352,366.03 = 38,674,782.45/x
  3. Step 3: Cross multiply
    71,269,830.45x = 98,352,366.03 × 38,674,782.45
  4. Step 4: Simplify right side
    71,269,830.45x = 3,803,756,359,653,020.50
  5. Step 5: Solve for x
    x = 3,803,756,359,653,020.50/71,269,830.45
  6. Step 6: Final answer
    x = 53,371,199.79

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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.