Home / 111,039,755.10-153,239,650.56-61,480,129.74

Finding the Fourth Proportional to 111,039,755.10, 153,239,650.56 and 61,480,129.74

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Solution

The fourth proportional to 111,039,755.10, 153,239,650.56 and 61,480,129.74 is: 84,845,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039,755.10 : 153,239,650.56 = 61,480,129.74 : x
  2. Step 2: Convert to fraction form
    111,039,755.10/153,239,650.56 = 61,480,129.74/x
  3. Step 3: Cross multiply
    111,039,755.10x = 153,239,650.56 × 61,480,129.74
  4. Step 4: Simplify right side
    111,039,755.10x = 9,421,193,597,741,064
  5. Step 5: Solve for x
    x = 9,421,193,597,741,064/111,039,755.10
  6. Step 6: Final answer
    x = 84,845,230.33

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