Home / 331,878,670.20-498,119,155.20-168,230,271.60

Finding the Fourth Proportional to 331,878,670.20, 498,119,155.20 and 168,230,271.60

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Solution

The fourth proportional to 331,878,670.20, 498,119,155.20 and 168,230,271.60 is: 252,498,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,878,670.20 : 498,119,155.20 = 168,230,271.60 : x
  2. Step 2: Convert to fraction form
    331,878,670.20/498,119,155.20 = 168,230,271.60/x
  3. Step 3: Cross multiply
    331,878,670.20x = 498,119,155.20 × 168,230,271.60
  4. Step 4: Simplify right side
    331,878,670.20x = 83,798,720,768,458,544
  5. Step 5: Solve for x
    x = 83,798,720,768,458,544/331,878,670.20
  6. Step 6: Final answer
    x = 252,498,061.17

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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.