Home / 156,057,872.40-215,359,845.46-93,333,960.67

Finding the Fourth Proportional to 156,057,872.40, 215,359,845.46 and 93,333,960.67

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Solution

The fourth proportional to 156,057,872.40, 215,359,845.46 and 93,333,960.67 is: 128,800,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057,872.40 : 215,359,845.46 = 93,333,960.67 : x
  2. Step 2: Convert to fraction form
    156,057,872.40/215,359,845.46 = 93,333,960.67/x
  3. Step 3: Cross multiply
    156,057,872.40x = 215,359,845.46 × 93,333,960.67
  4. Step 4: Simplify right side
    156,057,872.40x = 20,100,387,345,692,984
  5. Step 5: Solve for x
    x = 20,100,387,345,692,984/156,057,872.40
  6. Step 6: Final answer
    x = 128,800,854.69

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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.