Home / 112,325,628.80-168,488,443.20-99,560,547.20

Finding the Fourth Proportional to 112,325,628.80, 168,488,443.20 and 99,560,547.20

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Solution

The fourth proportional to 112,325,628.80, 168,488,443.20 and 99,560,547.20 is: 149,340,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325,628.80 : 168,488,443.20 = 99,560,547.20 : x
  2. Step 2: Convert to fraction form
    112,325,628.80/168,488,443.20 = 99,560,547.20/x
  3. Step 3: Cross multiply
    112,325,628.80x = 168,488,443.20 × 99,560,547.20
  4. Step 4: Simplify right side
    112,325,628.80x = 16,774,801,601,868,118
  5. Step 5: Solve for x
    x = 16,774,801,601,868,118/112,325,628.80
  6. Step 6: Final answer
    x = 149,340,820.80

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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.