Home / 302,292,139.40-453,438,209.10-149,237,131.40

Finding the Fourth Proportional to 302,292,139.40, 453,438,209.10 and 149,237,131.40

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Solution

The fourth proportional to 302,292,139.40, 453,438,209.10 and 149,237,131.40 is: 223,855,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,292,139.40 : 453,438,209.10 = 149,237,131.40 : x
  2. Step 2: Convert to fraction form
    302,292,139.40/453,438,209.10 = 149,237,131.40/x
  3. Step 3: Cross multiply
    302,292,139.40x = 453,438,209.10 × 149,237,131.40
  4. Step 4: Simplify right side
    302,292,139.40x = 67,669,817,593,237,384
  5. Step 5: Solve for x
    x = 67,669,817,593,237,384/302,292,139.40
  6. Step 6: Final answer
    x = 223,855,697.10

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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.