Home / 127,328,840.19-190,993,021.90-39,897,050.50

Finding the Fourth Proportional to 127,328,840.19, 190,993,021.90 and 39,897,050.50

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Solution

The fourth proportional to 127,328,840.19, 190,993,021.90 and 39,897,050.50 is: 59,845,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,840.19 : 190,993,021.90 = 39,897,050.50 : x
  2. Step 2: Convert to fraction form
    127,328,840.19/190,993,021.90 = 39,897,050.50/x
  3. Step 3: Cross multiply
    127,328,840.19x = 190,993,021.90 × 39,897,050.50
  4. Step 4: Simplify right side
    127,328,840.19x = 7,620,058,239,068,679
  5. Step 5: Solve for x
    x = 7,620,058,239,068,679/127,328,840.19
  6. Step 6: Final answer
    x = 59,845,501.05

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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.