Home / 173,789,701-260,718,120.78-66,075,949.96

Finding the Fourth Proportional to 173,789,701, 260,718,120.78 and 66,075,949.96

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Solution

The fourth proportional to 173,789,701, 260,718,120.78 and 66,075,949.96 is: 99,126,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,789,701 : 260,718,120.78 = 66,075,949.96 : x
  2. Step 2: Convert to fraction form
    173,789,701/260,718,120.78 = 66,075,949.96/x
  3. Step 3: Cross multiply
    173,789,701x = 260,718,120.78 × 66,075,949.96
  4. Step 4: Simplify right side
    173,789,701x = 17,227,197,502,324,516
  5. Step 5: Solve for x
    x = 17,227,197,502,324,516/173,789,701
  6. Step 6: Final answer
    x = 99,126,688.19

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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.