Home / 112,292,428.80-168,501,628.80-47,585,222.40

Finding the Fourth Proportional to 112,292,428.80, 168,501,628.80 and 47,585,222.40

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Solution

The fourth proportional to 112,292,428.80, 168,501,628.80 and 47,585,222.40 is: 71,404,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,292,428.80 : 168,501,628.80 = 47,585,222.40 : x
  2. Step 2: Convert to fraction form
    112,292,428.80/168,501,628.80 = 47,585,222.40/x
  3. Step 3: Cross multiply
    112,292,428.80x = 168,501,628.80 × 47,585,222.40
  4. Step 4: Simplify right side
    112,292,428.80x = 8,018,187,481,210,245
  5. Step 5: Solve for x
    x = 8,018,187,481,210,245/112,292,428.80
  6. Step 6: Final answer
    x = 71,404,524.48

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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.