Home / 128,130,342.54-192,228,275.10-37,253,931.54

Finding the Fourth Proportional to 128,130,342.54, 192,228,275.10 and 37,253,931.54

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Solution

The fourth proportional to 128,130,342.54, 192,228,275.10 and 37,253,931.54 is: 55,890,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,130,342.54 : 192,228,275.10 = 37,253,931.54 : x
  2. Step 2: Convert to fraction form
    128,130,342.54/192,228,275.10 = 37,253,931.54/x
  3. Step 3: Cross multiply
    128,130,342.54x = 192,228,275.10 × 37,253,931.54
  4. Step 4: Simplify right side
    128,130,342.54x = 7,161,259,000,627,686
  5. Step 5: Solve for x
    x = 7,161,259,000,627,686/128,130,342.54
  6. Step 6: Final answer
    x = 55,890,422.66

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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.