Home / 113,509,117.73-156,642,579.76-61,298,149.12

Finding the Fourth Proportional to 113,509,117.73, 156,642,579.76 and 61,298,149.12

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Solution

The fourth proportional to 113,509,117.73, 156,642,579.76 and 61,298,149.12 is: 84,591,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,117.73 : 156,642,579.76 = 61,298,149.12 : x
  2. Step 2: Convert to fraction form
    113,509,117.73/156,642,579.76 = 61,298,149.12/x
  3. Step 3: Cross multiply
    113,509,117.73x = 156,642,579.76 × 61,298,149.12
  4. Step 4: Simplify right side
    113,509,117.73x = 9,601,900,213,121,334
  5. Step 5: Solve for x
    x = 9,601,900,213,121,334/113,509,117.73
  6. Step 6: Final answer
    x = 84,591,444.33

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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.