Home / 112,330,014.10-168,495,021.15-91,922,679.70

Finding the Fourth Proportional to 112,330,014.10, 168,495,021.15 and 91,922,679.70

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Solution

The fourth proportional to 112,330,014.10, 168,495,021.15 and 91,922,679.70 is: 137,884,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330,014.10 : 168,495,021.15 = 91,922,679.70 : x
  2. Step 2: Convert to fraction form
    112,330,014.10/168,495,021.15 = 91,922,679.70/x
  3. Step 3: Cross multiply
    112,330,014.10x = 168,495,021.15 × 91,922,679.70
  4. Step 4: Simplify right side
    112,330,014.10x = 15,488,513,860,216,176
  5. Step 5: Solve for x
    x = 15,488,513,860,216,176/112,330,014.10
  6. Step 6: Final answer
    x = 137,884,019.55

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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.