Home / 112,189,094.08-168,336,935.57-77,698,573.18

Finding the Fourth Proportional to 112,189,094.08, 168,336,935.57 and 77,698,573.18

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Solution

The fourth proportional to 112,189,094.08, 168,336,935.57 and 77,698,573.18 is: 116,584,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,189,094.08 : 168,336,935.57 = 77,698,573.18 : x
  2. Step 2: Convert to fraction form
    112,189,094.08/168,336,935.57 = 77,698,573.18/x
  3. Step 3: Cross multiply
    112,189,094.08x = 168,336,935.57 × 77,698,573.18
  4. Step 4: Simplify right side
    112,189,094.08x = 13,079,539,706,894,098
  5. Step 5: Solve for x
    x = 13,079,539,706,894,098/112,189,094.08
  6. Step 6: Final answer
    x = 116,584,769.80

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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.