Home / 112,254,345.80-168,554,729.10-61,236,009.80

Finding the Fourth Proportional to 112,254,345.80, 168,554,729.10 and 61,236,009.80

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Solution

The fourth proportional to 112,254,345.80, 168,554,729.10 and 61,236,009.80 is: 91,948,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,254,345.80 : 168,554,729.10 = 61,236,009.80 : x
  2. Step 2: Convert to fraction form
    112,254,345.80/168,554,729.10 = 61,236,009.80/x
  3. Step 3: Cross multiply
    112,254,345.80x = 168,554,729.10 × 61,236,009.80
  4. Step 4: Simplify right side
    112,254,345.80x = 10,321,619,043,003,944
  5. Step 5: Solve for x
    x = 10,321,619,043,003,944/112,254,345.80
  6. Step 6: Final answer
    x = 91,948,502.92

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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.