Home / 161,803,097.68-242,678,073.40-69,662,025.04

Finding the Fourth Proportional to 161,803,097.68, 242,678,073.40 and 69,662,025.04

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Solution

The fourth proportional to 161,803,097.68, 242,678,073.40 and 69,662,025.04 is: 104,481,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,097.68 : 242,678,073.40 = 69,662,025.04 : x
  2. Step 2: Convert to fraction form
    161,803,097.68/242,678,073.40 = 69,662,025.04/x
  3. Step 3: Cross multiply
    161,803,097.68x = 242,678,073.40 × 69,662,025.04
  4. Step 4: Simplify right side
    161,803,097.68x = 16,905,446,025,849,760
  5. Step 5: Solve for x
    x = 16,905,446,025,849,760/161,803,097.68
  6. Step 6: Final answer
    x = 104,481,596.88

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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.