Home / 201,465,298.20-302,197,947.30-72,077,129.40

Finding the Fourth Proportional to 201,465,298.20, 302,197,947.30 and 72,077,129.40

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Solution

The fourth proportional to 201,465,298.20, 302,197,947.30 and 72,077,129.40 is: 108,115,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,298.20 : 302,197,947.30 = 72,077,129.40 : x
  2. Step 2: Convert to fraction form
    201,465,298.20/302,197,947.30 = 72,077,129.40/x
  3. Step 3: Cross multiply
    201,465,298.20x = 302,197,947.30 × 72,077,129.40
  4. Step 4: Simplify right side
    201,465,298.20x = 21,781,560,551,956,484
  5. Step 5: Solve for x
    x = 21,781,560,551,956,484/201,465,298.20
  6. Step 6: Final answer
    x = 108,115,694.10

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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.