Home / 113,009,109.89-169,427,445.80-51,555,291.53

Finding the Fourth Proportional to 113,009,109.89, 169,427,445.80 and 51,555,291.53

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Solution

The fourth proportional to 113,009,109.89, 169,427,445.80 and 51,555,291.53 is: 77,293,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,009,109.89 : 169,427,445.80 = 51,555,291.53 : x
  2. Step 2: Convert to fraction form
    113,009,109.89/169,427,445.80 = 51,555,291.53/x
  3. Step 3: Cross multiply
    113,009,109.89x = 169,427,445.80 × 51,555,291.53
  4. Step 4: Simplify right side
    113,009,109.89x = 8,734,881,360,297,359
  5. Step 5: Solve for x
    x = 8,734,881,360,297,359/113,009,109.89
  6. Step 6: Final answer
    x = 77,293,603.76

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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.