Home / 156,782,661.56-216,372,178.86-94,061,111.48

Finding the Fourth Proportional to 156,782,661.56, 216,372,178.86 and 94,061,111.48

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Solution

The fourth proportional to 156,782,661.56, 216,372,178.86 and 94,061,111.48 is: 129,811,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782,661.56 : 216,372,178.86 = 94,061,111.48 : x
  2. Step 2: Convert to fraction form
    156,782,661.56/216,372,178.86 = 94,061,111.48/x
  3. Step 3: Cross multiply
    156,782,661.56x = 216,372,178.86 × 94,061,111.48
  4. Step 4: Simplify right side
    156,782,661.56x = 20,352,207,636,920,960
  5. Step 5: Solve for x
    x = 20,352,207,636,920,960/156,782,661.56
  6. Step 6: Final answer
    x = 129,811,596.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.