Home / 112,100,678.40-168,151,017.60-100,763,270.40

Finding the Fourth Proportional to 112,100,678.40, 168,151,017.60 and 100,763,270.40

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Solution

The fourth proportional to 112,100,678.40, 168,151,017.60 and 100,763,270.40 is: 151,144,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,678.40 : 168,151,017.60 = 100,763,270.40 : x
  2. Step 2: Convert to fraction form
    112,100,678.40/168,151,017.60 = 100,763,270.40/x
  3. Step 3: Cross multiply
    112,100,678.40x = 168,151,017.60 × 100,763,270.40
  4. Step 4: Simplify right side
    112,100,678.40x = 16,943,446,454,463,960
  5. Step 5: Solve for x
    x = 16,943,446,454,463,960/112,100,678.40
  6. Step 6: Final answer
    x = 151,144,905.60

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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.