Home / 113,297,923.74-169,301,912.37-85,070,366.58

Finding the Fourth Proportional to 113,297,923.74, 169,301,912.37 and 85,070,366.58

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Solution

The fourth proportional to 113,297,923.74, 169,301,912.37 and 85,070,366.58 is: 127,121,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,297,923.74 : 169,301,912.37 = 85,070,366.58 : x
  2. Step 2: Convert to fraction form
    113,297,923.74/169,301,912.37 = 85,070,366.58/x
  3. Step 3: Cross multiply
    113,297,923.74x = 169,301,912.37 × 85,070,366.58
  4. Step 4: Simplify right side
    113,297,923.74x = 14,402,575,748,010,936
  5. Step 5: Solve for x
    x = 14,402,575,748,010,936/113,297,923.74
  6. Step 6: Final answer
    x = 127,121,268.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.