Home / 153,601,419.44-211,990,696.40-86,634,123.82

Finding the Fourth Proportional to 153,601,419.44, 211,990,696.40 and 86,634,123.82

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Solution

The fourth proportional to 153,601,419.44, 211,990,696.40 and 86,634,123.82 is: 119,566,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,601,419.44 : 211,990,696.40 = 86,634,123.82 : x
  2. Step 2: Convert to fraction form
    153,601,419.44/211,990,696.40 = 86,634,123.82/x
  3. Step 3: Cross multiply
    153,601,419.44x = 211,990,696.40 × 86,634,123.82
  4. Step 4: Simplify right side
    153,601,419.44x = 18,365,628,240,292,236
  5. Step 5: Solve for x
    x = 18,365,628,240,292,236/153,601,419.44
  6. Step 6: Final answer
    x = 119,566,787.25

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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.