Home / 92,945,723.75-128,264,389.29-51,128,888.66

Finding the Fourth Proportional to 92,945,723.75, 128,264,389.29 and 51,128,888.66

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Solution

The fourth proportional to 92,945,723.75, 128,264,389.29 and 51,128,888.66 is: 70,557,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,723.75 : 128,264,389.29 = 51,128,888.66 : x
  2. Step 2: Convert to fraction form
    92,945,723.75/128,264,389.29 = 51,128,888.66/x
  3. Step 3: Cross multiply
    92,945,723.75x = 128,264,389.29 × 51,128,888.66
  4. Step 4: Simplify right side
    92,945,723.75x = 6,558,015,678,409,985
  5. Step 5: Solve for x
    x = 6,558,015,678,409,985/92,945,723.75
  6. Step 6: Final answer
    x = 70,557,476.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.