Home / 112,356,068.55-168,534,102.83-86,846,900.55

Finding the Fourth Proportional to 112,356,068.55, 168,534,102.83 and 86,846,900.55

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Solution

The fourth proportional to 112,356,068.55, 168,534,102.83 and 86,846,900.55 is: 130,270,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,068.55 : 168,534,102.83 = 86,846,900.55 : x
  2. Step 2: Convert to fraction form
    112,356,068.55/168,534,102.83 = 86,846,900.55/x
  3. Step 3: Cross multiply
    112,356,068.55x = 168,534,102.83 × 86,846,900.55
  4. Step 4: Simplify right side
    112,356,068.55x = 14,636,664,467,326,248
  5. Step 5: Solve for x
    x = 14,636,664,467,326,248/112,356,068.55
  6. Step 6: Final answer
    x = 130,270,350.83

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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.