Home / 102,018,133.56-140,782,923.18-55,607,984.76

Finding the Fourth Proportional to 102,018,133.56, 140,782,923.18 and 55,607,984.76

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Solution

The fourth proportional to 102,018,133.56, 140,782,923.18 and 55,607,984.76 is: 76,737,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018,133.56 : 140,782,923.18 = 55,607,984.76 : x
  2. Step 2: Convert to fraction form
    102,018,133.56/140,782,923.18 = 55,607,984.76/x
  3. Step 3: Cross multiply
    102,018,133.56x = 140,782,923.18 × 55,607,984.76
  4. Step 4: Simplify right side
    102,018,133.56x = 7,828,654,646,661,691
  5. Step 5: Solve for x
    x = 7,828,654,646,661,691/102,018,133.56
  6. Step 6: Final answer
    x = 76,737,873.68

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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.