Home / 198,577,930.40-297,866,895.60-53,011,210.40

Finding the Fourth Proportional to 198,577,930.40, 297,866,895.60 and 53,011,210.40

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Solution

The fourth proportional to 198,577,930.40, 297,866,895.60 and 53,011,210.40 is: 79,516,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,577,930.40 : 297,866,895.60 = 53,011,210.40 : x
  2. Step 2: Convert to fraction form
    198,577,930.40/297,866,895.60 = 53,011,210.40/x
  3. Step 3: Cross multiply
    198,577,930.40x = 297,866,895.60 × 53,011,210.40
  4. Step 4: Simplify right side
    198,577,930.40x = 15,790,284,673,846,436
  5. Step 5: Solve for x
    x = 15,790,284,673,846,436/198,577,930.40
  6. Step 6: Final answer
    x = 79,516,815.60

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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.