Home / 112,060,368.45-168,090,552.68-81,210,218.40

Finding the Fourth Proportional to 112,060,368.45, 168,090,552.68 and 81,210,218.40

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Solution

The fourth proportional to 112,060,368.45, 168,090,552.68 and 81,210,218.40 is: 121,815,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060,368.45 : 168,090,552.68 = 81,210,218.40 : x
  2. Step 2: Convert to fraction form
    112,060,368.45/168,090,552.68 = 81,210,218.40/x
  3. Step 3: Cross multiply
    112,060,368.45x = 168,090,552.68 × 81,210,218.40
  4. Step 4: Simplify right side
    112,060,368.45x = 13,650,670,493,713,456
  5. Step 5: Solve for x
    x = 13,650,670,493,713,456/112,060,368.45
  6. Step 6: Final answer
    x = 121,815,327.60

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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.