Home / 161,791,707.78-223,273,568.88-87,452,115.03

Finding the Fourth Proportional to 161,791,707.78, 223,273,568.88 and 87,452,115.03

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Solution

The fourth proportional to 161,791,707.78, 223,273,568.88 and 87,452,115.03 is: 120,684,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,791,707.78 : 223,273,568.88 = 87,452,115.03 : x
  2. Step 2: Convert to fraction form
    161,791,707.78/223,273,568.88 = 87,452,115.03/x
  3. Step 3: Cross multiply
    161,791,707.78x = 223,273,568.88 × 87,452,115.03
  4. Step 4: Simplify right side
    161,791,707.78x = 19,525,745,828,852,388
  5. Step 5: Solve for x
    x = 19,525,745,828,852,388/161,791,707.78
  6. Step 6: Final answer
    x = 120,684,465.83

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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.