Home / 199,336,005.60-299,059,995.60-97,103,378.40

Finding the Fourth Proportional to 199,336,005.60, 299,059,995.60 and 97,103,378.40

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Solution

The fourth proportional to 199,336,005.60, 299,059,995.60 and 97,103,378.40 is: 145,682,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,336,005.60 : 299,059,995.60 = 97,103,378.40 : x
  2. Step 2: Convert to fraction form
    199,336,005.60/299,059,995.60 = 97,103,378.40/x
  3. Step 3: Cross multiply
    199,336,005.60x = 299,059,995.60 × 97,103,378.40
  4. Step 4: Simplify right side
    199,336,005.60x = 29,039,735,917,049,140
  5. Step 5: Solve for x
    x = 29,039,735,917,049,140/199,336,005.60
  6. Step 6: Final answer
    x = 145,682,340.88

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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.