Home / 107,749,148.80-161,623,723.20-101,797,009.60

Finding the Fourth Proportional to 107,749,148.80, 161,623,723.20 and 101,797,009.60

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Solution

The fourth proportional to 107,749,148.80, 161,623,723.20 and 101,797,009.60 is: 152,695,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,749,148.80 : 161,623,723.20 = 101,797,009.60 : x
  2. Step 2: Convert to fraction form
    107,749,148.80/161,623,723.20 = 101,797,009.60/x
  3. Step 3: Cross multiply
    107,749,148.80x = 161,623,723.20 × 101,797,009.60
  4. Step 4: Simplify right side
    107,749,148.80x = 16,452,811,702,178,140
  5. Step 5: Solve for x
    x = 16,452,811,702,178,140/107,749,148.80
  6. Step 6: Final answer
    x = 152,695,514.40

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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.