Home / 200,459,890.20-300,689,835.30-98,423,218.20

Finding the Fourth Proportional to 200,459,890.20, 300,689,835.30 and 98,423,218.20

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Solution

The fourth proportional to 200,459,890.20, 300,689,835.30 and 98,423,218.20 is: 147,634,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,459,890.20 : 300,689,835.30 = 98,423,218.20 : x
  2. Step 2: Convert to fraction form
    200,459,890.20/300,689,835.30 = 98,423,218.20/x
  3. Step 3: Cross multiply
    200,459,890.20x = 300,689,835.30 × 98,423,218.20
  4. Step 4: Simplify right side
    200,459,890.20x = 29,594,861,270,253,964
  5. Step 5: Solve for x
    x = 29,594,861,270,253,964/200,459,890.20
  6. Step 6: Final answer
    x = 147,634,827.30

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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.