Home / 99,303,803.63-148,961,308.20-30,218,858.68

Finding the Fourth Proportional to 99,303,803.63, 148,961,308.20 and 30,218,858.68

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Solution

The fourth proportional to 99,303,803.63, 148,961,308.20 and 30,218,858.68 is: 45,329,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303,803.63 : 148,961,308.20 = 30,218,858.68 : x
  2. Step 2: Convert to fraction form
    99,303,803.63/148,961,308.20 = 30,218,858.68/x
  3. Step 3: Cross multiply
    99,303,803.63x = 148,961,308.20 × 30,218,858.68
  4. Step 4: Simplify right side
    99,303,803.63x = 4,501,440,721,077,452
  5. Step 5: Solve for x
    x = 4,501,440,721,077,452/99,303,803.63
  6. Step 6: Final answer
    x = 45,329,992.97

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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.