Home / 135,301,319.71-186,715,821.21-73,421,658.27

Finding the Fourth Proportional to 135,301,319.71, 186,715,821.21 and 73,421,658.27

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Solution

The fourth proportional to 135,301,319.71, 186,715,821.21 and 73,421,658.27 is: 101,321,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,301,319.71 : 186,715,821.21 = 73,421,658.27 : x
  2. Step 2: Convert to fraction form
    135,301,319.71/186,715,821.21 = 73,421,658.27/x
  3. Step 3: Cross multiply
    135,301,319.71x = 186,715,821.21 × 73,421,658.27
  4. Step 4: Simplify right side
    135,301,319.71x = 13,708,985,217,549,460
  5. Step 5: Solve for x
    x = 13,708,985,217,549,460/135,301,319.71
  6. Step 6: Final answer
    x = 101,321,888.41

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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.