Home / 258,749,032.86-388,131,428.44-101,175,755.40

Finding the Fourth Proportional to 258,749,032.86, 388,131,428.44 and 101,175,755.40

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Solution

The fourth proportional to 258,749,032.86, 388,131,428.44 and 101,175,755.40 is: 151,766,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,749,032.86 : 388,131,428.44 = 101,175,755.40 : x
  2. Step 2: Convert to fraction form
    258,749,032.86/388,131,428.44 = 101,175,755.40/x
  3. Step 3: Cross multiply
    258,749,032.86x = 388,131,428.44 × 101,175,755.40
  4. Step 4: Simplify right side
    258,749,032.86x = 39,269,490,466,898,048
  5. Step 5: Solve for x
    x = 39,269,490,466,898,048/258,749,032.86
  6. Step 6: Final answer
    x = 151,766,714.00

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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.