Home / 125,705,859.90-173,489,188.44-76,144,779.41

Finding the Fourth Proportional to 125,705,859.90, 173,489,188.44 and 76,144,779.41

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Solution

The fourth proportional to 125,705,859.90, 173,489,188.44 and 76,144,779.41 is: 105,088,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705,859.90 : 173,489,188.44 = 76,144,779.41 : x
  2. Step 2: Convert to fraction form
    125,705,859.90/173,489,188.44 = 76,144,779.41/x
  3. Step 3: Cross multiply
    125,705,859.90x = 173,489,188.44 × 76,144,779.41
  4. Step 4: Simplify right side
    125,705,859.90x = 13,210,295,982,916,276
  5. Step 5: Solve for x
    x = 13,210,295,982,916,276/125,705,859.90
  6. Step 6: Final answer
    x = 105,088,943.30

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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.