Home / 189,347,291.40-284,029,041.34-74,356,714.92

Finding the Fourth Proportional to 189,347,291.40, 284,029,041.34 and 74,356,714.92

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Solution

The fourth proportional to 189,347,291.40, 284,029,041.34 and 74,356,714.92 is: 111,538,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,347,291.40 : 284,029,041.34 = 74,356,714.92 : x
  2. Step 2: Convert to fraction form
    189,347,291.40/284,029,041.34 = 74,356,714.92/x
  3. Step 3: Cross multiply
    189,347,291.40x = 284,029,041.34 × 74,356,714.92
  4. Step 4: Simplify right side
    189,347,291.40x = 21,119,466,455,919,272
  5. Step 5: Solve for x
    x = 21,119,466,455,919,272/189,347,291.40
  6. Step 6: Final answer
    x = 111,538,254.92

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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.