Home / 218,486,460.40-301,511,436.32-118,014,897.12

Finding the Fourth Proportional to 218,486,460.40, 301,511,436.32 and 118,014,897.12

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Solution

The fourth proportional to 218,486,460.40, 301,511,436.32 and 118,014,897.12 is: 162,860,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,486,460.40 : 301,511,436.32 = 118,014,897.12 : x
  2. Step 2: Convert to fraction form
    218,486,460.40/301,511,436.32 = 118,014,897.12/x
  3. Step 3: Cross multiply
    218,486,460.40x = 301,511,436.32 × 118,014,897.12
  4. Step 4: Simplify right side
    218,486,460.40x = 35,582,841,137,882,584
  5. Step 5: Solve for x
    x = 35,582,841,137,882,584/218,486,460.40
  6. Step 6: Final answer
    x = 162,860,623.37

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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.