Home / 187,029,012.65-280,543,518.98-174,274,428.65

Finding the Fourth Proportional to 187,029,012.65, 280,543,518.98 and 174,274,428.65

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Solution

The fourth proportional to 187,029,012.65, 280,543,518.98 and 174,274,428.65 is: 261,411,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,012.65 : 280,543,518.98 = 174,274,428.65 : x
  2. Step 2: Convert to fraction form
    187,029,012.65/280,543,518.98 = 174,274,428.65/x
  3. Step 3: Cross multiply
    187,029,012.65x = 280,543,518.98 × 174,274,428.65
  4. Step 4: Simplify right side
    187,029,012.65x = 48,891,561,481,699,936
  5. Step 5: Solve for x
    x = 48,891,561,481,699,936/187,029,012.65
  6. Step 6: Final answer
    x = 261,411,642.98

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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.