Home / 141,203,428.61-194,865,726.71-78,480,777.29

Finding the Fourth Proportional to 141,203,428.61, 194,865,726.71 and 78,480,777.29

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Solution

The fourth proportional to 141,203,428.61, 194,865,726.71 and 78,480,777.29 is: 108,306,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203,428.61 : 194,865,726.71 = 78,480,777.29 : x
  2. Step 2: Convert to fraction form
    141,203,428.61/194,865,726.71 = 78,480,777.29/x
  3. Step 3: Cross multiply
    141,203,428.61x = 194,865,726.71 × 78,480,777.29
  4. Step 4: Simplify right side
    141,203,428.61x = 15,293,213,698,603,388
  5. Step 5: Solve for x
    x = 15,293,213,698,603,388/141,203,428.61
  6. Step 6: Final answer
    x = 108,306,249.00

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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.