Home / 112,014,007.10-168,021,010.65-100,109,728.70

Finding the Fourth Proportional to 112,014,007.10, 168,021,010.65 and 100,109,728.70

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Solution

The fourth proportional to 112,014,007.10, 168,021,010.65 and 100,109,728.70 is: 150,164,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014,007.10 : 168,021,010.65 = 100,109,728.70 : x
  2. Step 2: Convert to fraction form
    112,014,007.10/168,021,010.65 = 100,109,728.70/x
  3. Step 3: Cross multiply
    112,014,007.10x = 168,021,010.65 × 100,109,728.70
  4. Step 4: Simplify right side
    112,014,007.10x = 16,820,537,792,071,312
  5. Step 5: Solve for x
    x = 16,820,537,792,071,312/112,014,007.10
  6. Step 6: Final answer
    x = 150,164,593.05

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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.