Home / 281,312,034.40-421,632,128.40-117,549,474.40

Finding the Fourth Proportional to 281,312,034.40, 421,632,128.40 and 117,549,474.40

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Solution

The fourth proportional to 281,312,034.40, 421,632,128.40 and 117,549,474.40 is: 176,183,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,312,034.40 : 421,632,128.40 = 117,549,474.40 : x
  2. Step 2: Convert to fraction form
    281,312,034.40/421,632,128.40 = 117,549,474.40/x
  3. Step 3: Cross multiply
    281,312,034.40x = 421,632,128.40 × 117,549,474.40
  4. Step 4: Simplify right side
    281,312,034.40x = 49,562,635,083,573,312
  5. Step 5: Solve for x
    x = 49,562,635,083,573,312/281,312,034.40
  6. Step 6: Final answer
    x = 176,183,842.22

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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.