Home / 113,447,489.64-156,629,940.98-92,589,349.72

Finding the Fourth Proportional to 113,447,489.64, 156,629,940.98 and 92,589,349.72

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Solution

The fourth proportional to 113,447,489.64, 156,629,940.98 and 92,589,349.72 is: 127,832,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,447,489.64 : 156,629,940.98 = 92,589,349.72 : x
  2. Step 2: Convert to fraction form
    113,447,489.64/156,629,940.98 = 92,589,349.72/x
  3. Step 3: Cross multiply
    113,447,489.64x = 156,629,940.98 × 92,589,349.72
  4. Step 4: Simplify right side
    113,447,489.64x = 14,502,264,382,020,178
  5. Step 5: Solve for x
    x = 14,502,264,382,020,178/113,447,489.64
  6. Step 6: Final answer
    x = 127,832,395.66

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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.