Home / 421,433,146.31-632,134,564.24-110,538,279.12

Finding the Fourth Proportional to 421,433,146.31, 632,134,564.24 and 110,538,279.12

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Solution

The fourth proportional to 421,433,146.31, 632,134,564.24 and 110,538,279.12 is: 165,803,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,433,146.31 : 632,134,564.24 = 110,538,279.12 : x
  2. Step 2: Convert to fraction form
    421,433,146.31/632,134,564.24 = 110,538,279.12/x
  3. Step 3: Cross multiply
    421,433,146.31x = 632,134,564.24 × 110,538,279.12
  4. Step 4: Simplify right side
    421,433,146.31x = 69,875,066,903,360,696
  5. Step 5: Solve for x
    x = 69,875,066,903,360,696/421,433,146.31
  6. Step 6: Final answer
    x = 165,803,443.60

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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.