Home / 120,292,777.49-165,985,071.34-70,065,262.39

Finding the Fourth Proportional to 120,292,777.49, 165,985,071.34 and 70,065,262.39

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Solution

The fourth proportional to 120,292,777.49, 165,985,071.34 and 70,065,262.39 is: 96,679,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,292,777.49 : 165,985,071.34 = 70,065,262.39 : x
  2. Step 2: Convert to fraction form
    120,292,777.49/165,985,071.34 = 70,065,262.39/x
  3. Step 3: Cross multiply
    120,292,777.49x = 165,985,071.34 × 70,065,262.39
  4. Step 4: Simplify right side
    120,292,777.49x = 11,629,787,575,669,844
  5. Step 5: Solve for x
    x = 11,629,787,575,669,844/120,292,777.49
  6. Step 6: Final answer
    x = 96,679,017.80

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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.