Home / 156,065,202.65-215,369,904.78-93,341,299.52

Finding the Fourth Proportional to 156,065,202.65, 215,369,904.78 and 93,341,299.52

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Solution

The fourth proportional to 156,065,202.65, 215,369,904.78 and 93,341,299.52 is: 128,810,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,202.65 : 215,369,904.78 = 93,341,299.52 : x
  2. Step 2: Convert to fraction form
    156,065,202.65/215,369,904.78 = 93,341,299.52/x
  3. Step 3: Cross multiply
    156,065,202.65x = 215,369,904.78 × 93,341,299.52
  4. Step 4: Simplify right side
    156,065,202.65x = 20,102,906,790,202,284
  5. Step 5: Solve for x
    x = 20,102,906,790,202,284/156,065,202.65
  6. Step 6: Final answer
    x = 128,810,948.56

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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.