Home / 186,939,864.58-280,159,146.16-145,490,791.16

Finding the Fourth Proportional to 186,939,864.58, 280,159,146.16 and 145,490,791.16

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Solution

The fourth proportional to 186,939,864.58, 280,159,146.16 and 145,490,791.16 is: 218,041,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939,864.58 : 280,159,146.16 = 145,490,791.16 : x
  2. Step 2: Convert to fraction form
    186,939,864.58/280,159,146.16 = 145,490,791.16/x
  3. Step 3: Cross multiply
    186,939,864.58x = 280,159,146.16 × 145,490,791.16
  4. Step 4: Simplify right side
    186,939,864.58x = 40,760,575,825,301,104
  5. Step 5: Solve for x
    x = 40,760,575,825,301,104/186,939,864.58
  6. Step 6: Final answer
    x = 218,041,111.34

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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.