Home / 161,688,028.84-242,533,986.90-45,096,288.13

Finding the Fourth Proportional to 161,688,028.84, 242,533,986.90 and 45,096,288.13

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Solution

The fourth proportional to 161,688,028.84, 242,533,986.90 and 45,096,288.13 is: 67,644,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,688,028.84 : 242,533,986.90 = 45,096,288.13 : x
  2. Step 2: Convert to fraction form
    161,688,028.84/242,533,986.90 = 45,096,288.13/x
  3. Step 3: Cross multiply
    161,688,028.84x = 242,533,986.90 × 45,096,288.13
  4. Step 4: Simplify right side
    161,688,028.84x = 10,937,382,554,560,046
  5. Step 5: Solve for x
    x = 10,937,382,554,560,046/161,688,028.84
  6. Step 6: Final answer
    x = 67,644,974.29

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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.