Home / 80,070,848.64-120,106,285.44-19,486,574.40

Finding the Fourth Proportional to 80,070,848.64, 120,106,285.44 and 19,486,574.40

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Solution

The fourth proportional to 80,070,848.64, 120,106,285.44 and 19,486,574.40 is: 29,229,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070,848.64 : 120,106,285.44 = 19,486,574.40 : x
  2. Step 2: Convert to fraction form
    80,070,848.64/120,106,285.44 = 19,486,574.40/x
  3. Step 3: Cross multiply
    80,070,848.64x = 120,106,285.44 × 19,486,574.40
  4. Step 4: Simplify right side
    80,070,848.64x = 2,340,460,067,134,196.50
  5. Step 5: Solve for x
    x = 2,340,460,067,134,196.50/80,070,848.64
  6. Step 6: Final answer
    x = 29,229,864.64

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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.