Home / 156,927,739.20-235,391,608.80-70,707,451.20

Finding the Fourth Proportional to 156,927,739.20, 235,391,608.80 and 70,707,451.20

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Solution

The fourth proportional to 156,927,739.20, 235,391,608.80 and 70,707,451.20 is: 106,061,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927,739.20 : 235,391,608.80 = 70,707,451.20 : x
  2. Step 2: Convert to fraction form
    156,927,739.20/235,391,608.80 = 70,707,451.20/x
  3. Step 3: Cross multiply
    156,927,739.20x = 235,391,608.80 × 70,707,451.20
  4. Step 4: Simplify right side
    156,927,739.20x = 16,643,940,692,115,492
  5. Step 5: Solve for x
    x = 16,643,940,692,115,492/156,927,739.20
  6. Step 6: Final answer
    x = 106,061,176.80

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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.