Home / 258,110,153.40-356,187,509.55-140,636,454.42

Finding the Fourth Proportional to 258,110,153.40, 356,187,509.55 and 140,636,454.42

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Solution

The fourth proportional to 258,110,153.40, 356,187,509.55 and 140,636,454.42 is: 194,075,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,110,153.40 : 356,187,509.55 = 140,636,454.42 : x
  2. Step 2: Convert to fraction form
    258,110,153.40/356,187,509.55 = 140,636,454.42/x
  3. Step 3: Cross multiply
    258,110,153.40x = 356,187,509.55 × 140,636,454.42
  4. Step 4: Simplify right side
    258,110,153.40x = 50,092,948,451,801,888
  5. Step 5: Solve for x
    x = 50,092,948,451,801,888/258,110,153.40
  6. Step 6: Final answer
    x = 194,075,854.02

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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.