Home / 127,328,841.65-190,993,024.10-39,897,051.96

Finding the Fourth Proportional to 127,328,841.65, 190,993,024.10 and 39,897,051.96

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Solution

The fourth proportional to 127,328,841.65, 190,993,024.10 and 39,897,051.96 is: 59,845,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,841.65 : 190,993,024.10 = 39,897,051.96 : x
  2. Step 2: Convert to fraction form
    127,328,841.65/190,993,024.10 = 39,897,051.96/x
  3. Step 3: Cross multiply
    127,328,841.65x = 190,993,024.10 × 39,897,051.96
  4. Step 4: Simplify right side
    127,328,841.65x = 7,620,058,605,599,523
  5. Step 5: Solve for x
    x = 7,620,058,605,599,523/127,328,841.65
  6. Step 6: Final answer
    x = 59,845,503.24

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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.