Home / 151,063,375.07-208,455,533.20-84,970,715.11

Finding the Fourth Proportional to 151,063,375.07, 208,455,533.20 and 84,970,715.11

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Solution

The fourth proportional to 151,063,375.07, 208,455,533.20 and 84,970,715.11 is: 117,252,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,063,375.07 : 208,455,533.20 = 84,970,715.11 : x
  2. Step 2: Convert to fraction form
    151,063,375.07/208,455,533.20 = 84,970,715.11/x
  3. Step 3: Cross multiply
    151,063,375.07x = 208,455,533.20 × 84,970,715.11
  4. Step 4: Simplify right side
    151,063,375.07x = 17,712,615,724,226,272
  5. Step 5: Solve for x
    x = 17,712,615,724,226,272/151,063,375.07
  6. Step 6: Final answer
    x = 117,252,879.57

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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.