Home / 115,896,999.40-173,845,499.10-29,642,156.80

Finding the Fourth Proportional to 115,896,999.40, 173,845,499.10 and 29,642,156.80

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Solution

The fourth proportional to 115,896,999.40, 173,845,499.10 and 29,642,156.80 is: 44,463,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896,999.40 : 173,845,499.10 = 29,642,156.80 : x
  2. Step 2: Convert to fraction form
    115,896,999.40/173,845,499.10 = 29,642,156.80/x
  3. Step 3: Cross multiply
    115,896,999.40x = 173,845,499.10 × 29,642,156.80
  4. Step 4: Simplify right side
    115,896,999.40x = 5,153,155,543,296,459
  5. Step 5: Solve for x
    x = 5,153,155,543,296,459/115,896,999.40
  6. Step 6: Final answer
    x = 44,463,235.20

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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.