Home / 112,074,904.20-168,112,356.30-39,373,775.40

Finding the Fourth Proportional to 112,074,904.20, 168,112,356.30 and 39,373,775.40

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Solution

The fourth proportional to 112,074,904.20, 168,112,356.30 and 39,373,775.40 is: 59,060,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,074,904.20 : 168,112,356.30 = 39,373,775.40 : x
  2. Step 2: Convert to fraction form
    112,074,904.20/168,112,356.30 = 39,373,775.40/x
  3. Step 3: Cross multiply
    112,074,904.20x = 168,112,356.30 × 39,373,775.40
  4. Step 4: Simplify right side
    112,074,904.20x = 6,619,218,158,920,975
  5. Step 5: Solve for x
    x = 6,619,218,158,920,975/112,074,904.20
  6. Step 6: Final answer
    x = 59,060,663.10

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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.