Home / 258,828,248.63-388,250,344.56-113,186,842.58

Finding the Fourth Proportional to 258,828,248.63, 388,250,344.56 and 113,186,842.58

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Solution

The fourth proportional to 258,828,248.63, 388,250,344.56 and 113,186,842.58 is: 169,783,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,828,248.63 : 388,250,344.56 = 113,186,842.58 : x
  2. Step 2: Convert to fraction form
    258,828,248.63/388,250,344.56 = 113,186,842.58/x
  3. Step 3: Cross multiply
    258,828,248.63x = 388,250,344.56 × 113,186,842.58
  4. Step 4: Simplify right side
    258,828,248.63x = 43,944,830,631,343,480
  5. Step 5: Solve for x
    x = 43,944,830,631,343,480/258,828,248.63
  6. Step 6: Final answer
    x = 169,783,749.90

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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.