Home / 298,841,378.07-412,402,534.10-164,879,287.56

Finding the Fourth Proportional to 298,841,378.07, 412,402,534.10 and 164,879,287.56

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Solution

The fourth proportional to 298,841,378.07, 412,402,534.10 and 164,879,287.56 is: 227,534,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,841,378.07 : 412,402,534.10 = 164,879,287.56 : x
  2. Step 2: Convert to fraction form
    298,841,378.07/412,402,534.10 = 164,879,287.56/x
  3. Step 3: Cross multiply
    298,841,378.07x = 412,402,534.10 × 164,879,287.56
  4. Step 4: Simplify right side
    298,841,378.07x = 67,996,636,010,140,504
  5. Step 5: Solve for x
    x = 67,996,636,010,140,504/298,841,378.07
  6. Step 6: Final answer
    x = 227,534,207.10

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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.