Home / 302,672,763.60-454,009,145.40-84,356,800.80

Finding the Fourth Proportional to 302,672,763.60, 454,009,145.40 and 84,356,800.80

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Solution

The fourth proportional to 302,672,763.60, 454,009,145.40 and 84,356,800.80 is: 126,535,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,672,763.60 : 454,009,145.40 = 84,356,800.80 : x
  2. Step 2: Convert to fraction form
    302,672,763.60/454,009,145.40 = 84,356,800.80/x
  3. Step 3: Cross multiply
    302,672,763.60x = 454,009,145.40 × 84,356,800.80
  4. Step 4: Simplify right side
    302,672,763.60x = 38,298,759,039,886,032
  5. Step 5: Solve for x
    x = 38,298,759,039,886,032/302,672,763.60
  6. Step 6: Final answer
    x = 126,535,201.20

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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.