Home / 128,452,510.31-177,265,740.26-69,715,697.27

Finding the Fourth Proportional to 128,452,510.31, 177,265,740.26 and 69,715,697.27

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Solution

The fourth proportional to 128,452,510.31, 177,265,740.26 and 69,715,697.27 is: 96,208,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,452,510.31 : 177,265,740.26 = 69,715,697.27 : x
  2. Step 2: Convert to fraction form
    128,452,510.31/177,265,740.26 = 69,715,697.27/x
  3. Step 3: Cross multiply
    128,452,510.31x = 177,265,740.26 × 69,715,697.27
  4. Step 4: Simplify right side
    128,452,510.31x = 12,358,204,683,596,570
  5. Step 5: Solve for x
    x = 12,358,204,683,596,570/128,452,510.31
  6. Step 6: Final answer
    x = 96,208,354.78

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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.