Home / 125,018,578.83-187,534,954.13-38,769,247.47

Finding the Fourth Proportional to 125,018,578.83, 187,534,954.13 and 38,769,247.47

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Solution

The fourth proportional to 125,018,578.83, 187,534,954.13 and 38,769,247.47 is: 58,156,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018,578.83 : 187,534,954.13 = 38,769,247.47 : x
  2. Step 2: Convert to fraction form
    125,018,578.83/187,534,954.13 = 38,769,247.47/x
  3. Step 3: Cross multiply
    125,018,578.83x = 187,534,954.13 × 38,769,247.47
  4. Step 4: Simplify right side
    125,018,578.83x = 7,270,589,045,747,222
  5. Step 5: Solve for x
    x = 7,270,589,045,747,222/125,018,578.83
  6. Step 6: Final answer
    x = 58,156,068.59

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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.