Home / 186,607,137.80-279,705,420.30-65,376,187.40

Finding the Fourth Proportional to 186,607,137.80, 279,705,420.30 and 65,376,187.40

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Solution

The fourth proportional to 186,607,137.80, 279,705,420.30 and 65,376,187.40 is: 97,992,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,607,137.80 : 279,705,420.30 = 65,376,187.40 : x
  2. Step 2: Convert to fraction form
    186,607,137.80/279,705,420.30 = 65,376,187.40/x
  3. Step 3: Cross multiply
    186,607,137.80x = 279,705,420.30 × 65,376,187.40
  4. Step 4: Simplify right side
    186,607,137.80x = 18,286,073,974,328,564
  5. Step 5: Solve for x
    x = 18,286,073,974,328,564/186,607,137.80
  6. Step 6: Final answer
    x = 97,992,360.80

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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.