Home / 282,374,736.15-423,586,513.98-77,902,811.40

Finding the Fourth Proportional to 282,374,736.15, 423,586,513.98 and 77,902,811.40

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Solution

The fourth proportional to 282,374,736.15, 423,586,513.98 and 77,902,811.40 is: 116,860,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,374,736.15 : 423,586,513.98 = 77,902,811.40 : x
  2. Step 2: Convert to fraction form
    282,374,736.15/423,586,513.98 = 77,902,811.40/x
  3. Step 3: Cross multiply
    282,374,736.15x = 423,586,513.98 × 77,902,811.40
  4. Step 4: Simplify right side
    282,374,736.15x = 32,998,580,310,167,408
  5. Step 5: Solve for x
    x = 32,998,580,310,167,408/282,374,736.15
  6. Step 6: Final answer
    x = 116,860,951.37

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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.