Home / 209,953,810.60-314,930,715.90-198,049,532.20

Finding the Fourth Proportional to 209,953,810.60, 314,930,715.90 and 198,049,532.20

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Solution

The fourth proportional to 209,953,810.60, 314,930,715.90 and 198,049,532.20 is: 297,074,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,810.60 : 314,930,715.90 = 198,049,532.20 : x
  2. Step 2: Convert to fraction form
    209,953,810.60/314,930,715.90 = 198,049,532.20/x
  3. Step 3: Cross multiply
    209,953,810.60x = 314,930,715.90 × 198,049,532.20
  4. Step 4: Simplify right side
    209,953,810.60x = 62,371,880,959,406,096
  5. Step 5: Solve for x
    x = 62,371,880,959,406,096/209,953,810.60
  6. Step 6: Final answer
    x = 297,074,298.30

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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.