Home / 115,652,110.66-159,598,423.66-66,091,916.76

Finding the Fourth Proportional to 115,652,110.66, 159,598,423.66 and 66,091,916.76

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Solution

The fourth proportional to 115,652,110.66, 159,598,423.66 and 66,091,916.76 is: 91,205,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,652,110.66 : 159,598,423.66 = 66,091,916.76 : x
  2. Step 2: Convert to fraction form
    115,652,110.66/159,598,423.66 = 66,091,916.76/x
  3. Step 3: Cross multiply
    115,652,110.66x = 159,598,423.66 × 66,091,916.76
  4. Step 4: Simplify right side
    115,652,110.66x = 10,548,165,731,563,934
  5. Step 5: Solve for x
    x = 10,548,165,731,563,934/115,652,110.66
  6. Step 6: Final answer
    x = 91,205,994.18

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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.