Home / 100,791,018.45-151,214,521.28-43,310,826.45

Finding the Fourth Proportional to 100,791,018.45, 151,214,521.28 and 43,310,826.45

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Solution

The fourth proportional to 100,791,018.45, 151,214,521.28 and 43,310,826.45 is: 64,978,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,018.45 : 151,214,521.28 = 43,310,826.45 : x
  2. Step 2: Convert to fraction form
    100,791,018.45/151,214,521.28 = 43,310,826.45/x
  3. Step 3: Cross multiply
    100,791,018.45x = 151,214,521.28 × 43,310,826.45
  4. Step 4: Simplify right side
    100,791,018.45x = 6,549,225,887,661,358
  5. Step 5: Solve for x
    x = 6,549,225,887,661,358/100,791,018.45
  6. Step 6: Final answer
    x = 64,978,268.78

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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.