Home / 302,021,007.60-453,143,485.80-120,398,530.80

Finding the Fourth Proportional to 302,021,007.60, 453,143,485.80 and 120,398,530.80

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Solution

The fourth proportional to 302,021,007.60, 453,143,485.80 and 120,398,530.80 is: 180,642,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,021,007.60 : 453,143,485.80 = 120,398,530.80 : x
  2. Step 2: Convert to fraction form
    302,021,007.60/453,143,485.80 = 120,398,530.80/x
  3. Step 3: Cross multiply
    302,021,007.60x = 453,143,485.80 × 120,398,530.80
  4. Step 4: Simplify right side
    302,021,007.60x = 54,557,809,931,910,664
  5. Step 5: Solve for x
    x = 54,557,809,931,910,664/302,021,007.60
  6. Step 6: Final answer
    x = 180,642,434.00

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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.