Home / 112,292,426.80-168,501,625.80-47,585,220.40

Finding the Fourth Proportional to 112,292,426.80, 168,501,625.80 and 47,585,220.40

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Solution

The fourth proportional to 112,292,426.80, 168,501,625.80 and 47,585,220.40 is: 71,404,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,292,426.80 : 168,501,625.80 = 47,585,220.40 : x
  2. Step 2: Convert to fraction form
    112,292,426.80/168,501,625.80 = 47,585,220.40/x
  3. Step 3: Cross multiply
    112,292,426.80x = 168,501,625.80 × 47,585,220.40
  4. Step 4: Simplify right side
    112,292,426.80x = 8,018,187,001,451,327
  5. Step 5: Solve for x
    x = 8,018,187,001,451,327/112,292,426.80
  6. Step 6: Final answer
    x = 71,404,521.48

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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.