Home / 302,320,549.80-453,480,824.70-129,767,999.40

Finding the Fourth Proportional to 302,320,549.80, 453,480,824.70 and 129,767,999.40

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Solution

The fourth proportional to 302,320,549.80, 453,480,824.70 and 129,767,999.40 is: 194,651,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,320,549.80 : 453,480,824.70 = 129,767,999.40 : x
  2. Step 2: Convert to fraction form
    302,320,549.80/453,480,824.70 = 129,767,999.40/x
  3. Step 3: Cross multiply
    302,320,549.80x = 453,480,824.70 × 129,767,999.40
  4. Step 4: Simplify right side
    302,320,549.80x = 58,847,299,387,581,104
  5. Step 5: Solve for x
    x = 58,847,299,387,581,104/302,320,549.80
  6. Step 6: Final answer
    x = 194,651,999.10

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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.