Home / 212,938,011-319,374,979.38-59,564,187

Finding the Fourth Proportional to 212,938,011, 319,374,979.38 and 59,564,187

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Solution

The fourth proportional to 212,938,011, 319,374,979.38 and 59,564,187 is: 89,337,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,938,011 : 319,374,979.38 = 59,564,187 : x
  2. Step 2: Convert to fraction form
    212,938,011/319,374,979.38 = 59,564,187/x
  3. Step 3: Cross multiply
    212,938,011x = 319,374,979.38 × 59,564,187
  4. Step 4: Simplify right side
    212,938,011x = 19,023,310,994,911,464
  5. Step 5: Solve for x
    x = 19,023,310,994,911,464/212,938,011
  6. Step 6: Final answer
    x = 89,337,318.90

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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.