Home / 266,117,613.60-399,176,420.40-179,953,312.80

Finding the Fourth Proportional to 266,117,613.60, 399,176,420.40 and 179,953,312.80

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Solution

The fourth proportional to 266,117,613.60, 399,176,420.40 and 179,953,312.80 is: 269,929,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117,613.60 : 399,176,420.40 = 179,953,312.80 : x
  2. Step 2: Convert to fraction form
    266,117,613.60/399,176,420.40 = 179,953,312.80/x
  3. Step 3: Cross multiply
    266,117,613.60x = 399,176,420.40 × 179,953,312.80
  4. Step 4: Simplify right side
    266,117,613.60x = 71,833,119,242,625,504
  5. Step 5: Solve for x
    x = 71,833,119,242,625,504/266,117,613.60
  6. Step 6: Final answer
    x = 269,929,969.20

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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.