Home / 102,018,097-140,782,881.63-55,607,944.96

Finding the Fourth Proportional to 102,018,097, 140,782,881.63 and 55,607,944.96

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Solution

The fourth proportional to 102,018,097, 140,782,881.63 and 55,607,944.96 is: 76,737,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018,097 : 140,782,881.63 = 55,607,944.96 : x
  2. Step 2: Convert to fraction form
    102,018,097/140,782,881.63 = 55,607,944.96/x
  3. Step 3: Cross multiply
    102,018,097x = 140,782,881.63 × 55,607,944.96
  4. Step 4: Simplify right side
    102,018,097x = 7,828,646,732,991,235
  5. Step 5: Solve for x
    x = 7,828,646,732,991,235/102,018,097
  6. Step 6: Final answer
    x = 76,737,823.61

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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.