Home / 148,950,640.42-205,534,026.79-82,854,437.51

Finding the Fourth Proportional to 148,950,640.42, 205,534,026.79 and 82,854,437.51

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Solution

The fourth proportional to 148,950,640.42, 205,534,026.79 and 82,854,437.51 is: 114,329,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,950,640.42 : 205,534,026.79 = 82,854,437.51 : x
  2. Step 2: Convert to fraction form
    148,950,640.42/205,534,026.79 = 82,854,437.51/x
  3. Step 3: Cross multiply
    148,950,640.42x = 205,534,026.79 × 82,854,437.51
  4. Step 4: Simplify right side
    148,950,640.42x = 17,029,406,179,157,420
  5. Step 5: Solve for x
    x = 17,029,406,179,157,420/148,950,640.42
  6. Step 6: Final answer
    x = 114,329,190.74

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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.