Home / 107,328,001.60-160,992,002.40-80,454,145.60

Finding the Fourth Proportional to 107,328,001.60, 160,992,002.40 and 80,454,145.60

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Solution

The fourth proportional to 107,328,001.60, 160,992,002.40 and 80,454,145.60 is: 120,681,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328,001.60 : 160,992,002.40 = 80,454,145.60 : x
  2. Step 2: Convert to fraction form
    107,328,001.60/160,992,002.40 = 80,454,145.60/x
  3. Step 3: Cross multiply
    107,328,001.60x = 160,992,002.40 × 80,454,145.60
  4. Step 4: Simplify right side
    107,328,001.60x = 12,952,474,001,525,148
  5. Step 5: Solve for x
    x = 12,952,474,001,525,148/107,328,001.60
  6. Step 6: Final answer
    x = 120,681,218.40

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1.5x scale

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.