Home / 43,137,414,114.90-64,706,121,172.35-19,918,402,530.90

Finding the Fourth Proportional to 43,137,414,114.90, 64,706,121,172.35 and 19,918,402,530.90

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Solution

The fourth proportional to 43,137,414,114.90, 64,706,121,172.35 and 19,918,402,530.90 is: 29,877,603,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,414,114.90 : 64,706,121,172.35 = 19,918,402,530.90 : x
  2. Step 2: Convert to fraction form
    43,137,414,114.90/64,706,121,172.35 = 19,918,402,530.90/x
  3. Step 3: Cross multiply
    43,137,414,114.90x = 64,706,121,172.35 × 19,918,402,530.90
  4. Step 4: Simplify right side
    43,137,414,114.90x = 1,288,842,567,724,058,279,936
  5. Step 5: Solve for x
    x = 1,288,842,567,724,058,279,936/43,137,414,114.90
  6. Step 6: Final answer
    x = 29,877,603,796.35

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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.