Home / 266,328,026.20-399,492,039.30-74,851,802.20

Finding the Fourth Proportional to 266,328,026.20, 399,492,039.30 and 74,851,802.20

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Solution

The fourth proportional to 266,328,026.20, 399,492,039.30 and 74,851,802.20 is: 112,277,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,328,026.20 : 399,492,039.30 = 74,851,802.20 : x
  2. Step 2: Convert to fraction form
    266,328,026.20/399,492,039.30 = 74,851,802.20/x
  3. Step 3: Cross multiply
    266,328,026.20x = 399,492,039.30 × 74,851,802.20
  4. Step 4: Simplify right side
    266,328,026.20x = 29,902,699,106,158,228
  5. Step 5: Solve for x
    x = 29,902,699,106,158,228/266,328,026.20
  6. Step 6: Final answer
    x = 112,277,703.30

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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.