Home / 112,118,381.60-168,177,572.40-73,376,332.70

Finding the Fourth Proportional to 112,118,381.60, 168,177,572.40 and 73,376,332.70

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Solution

The fourth proportional to 112,118,381.60, 168,177,572.40 and 73,376,332.70 is: 110,064,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118,381.60 : 168,177,572.40 = 73,376,332.70 : x
  2. Step 2: Convert to fraction form
    112,118,381.60/168,177,572.40 = 73,376,332.70/x
  3. Step 3: Cross multiply
    112,118,381.60x = 168,177,572.40 × 73,376,332.70
  4. Step 4: Simplify right side
    112,118,381.60x = 12,340,253,505,100,738
  5. Step 5: Solve for x
    x = 12,340,253,505,100,738/112,118,381.60
  6. Step 6: Final answer
    x = 110,064,499.05

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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.