Home / 112,014,010.10-168,021,015.15-100,109,731.70

Finding the Fourth Proportional to 112,014,010.10, 168,021,015.15 and 100,109,731.70

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Solution

The fourth proportional to 112,014,010.10, 168,021,015.15 and 100,109,731.70 is: 150,164,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014,010.10 : 168,021,015.15 = 100,109,731.70 : x
  2. Step 2: Convert to fraction form
    112,014,010.10/168,021,015.15 = 100,109,731.70/x
  3. Step 3: Cross multiply
    112,014,010.10x = 168,021,015.15 × 100,109,731.70
  4. Step 4: Simplify right side
    112,014,010.10x = 16,820,538,746,628,136
  5. Step 5: Solve for x
    x = 16,820,538,746,628,136/112,014,010.10
  6. Step 6: Final answer
    x = 150,164,597.55

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1.5x scale

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.