Home / 112,290,181.20-168,435,271.80-99,110,444.40

Finding the Fourth Proportional to 112,290,181.20, 168,435,271.80 and 99,110,444.40

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Solution

The fourth proportional to 112,290,181.20, 168,435,271.80 and 99,110,444.40 is: 148,665,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,290,181.20 : 168,435,271.80 = 99,110,444.40 : x
  2. Step 2: Convert to fraction form
    112,290,181.20/168,435,271.80 = 99,110,444.40/x
  3. Step 3: Cross multiply
    112,290,181.20x = 168,435,271.80 × 99,110,444.40
  4. Step 4: Simplify right side
    112,290,181.20x = 16,693,694,640,732,790
  5. Step 5: Solve for x
    x = 16,693,694,640,732,790/112,290,181.20
  6. Step 6: Final answer
    x = 148,665,666.60

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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.