Home / 258,602,387.46-356,878,853.55-141,135,256.77

Finding the Fourth Proportional to 258,602,387.46, 356,878,853.55 and 141,135,256.77

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Solution

The fourth proportional to 258,602,387.46, 356,878,853.55 and 141,135,256.77 is: 194,770,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,602,387.46 : 356,878,853.55 = 141,135,256.77 : x
  2. Step 2: Convert to fraction form
    258,602,387.46/356,878,853.55 = 141,135,256.77/x
  3. Step 3: Cross multiply
    258,602,387.46x = 356,878,853.55 × 141,135,256.77
  4. Step 4: Simplify right side
    258,602,387.46x = 50,368,188,631,562,480
  5. Step 5: Solve for x
    x = 50,368,188,631,562,480/258,602,387.46
  6. Step 6: Final answer
    x = 194,770,779.68

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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.