Home / 198,577,928.40-297,866,892.60-53,011,208.40

Finding the Fourth Proportional to 198,577,928.40, 297,866,892.60 and 53,011,208.40

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Solution

The fourth proportional to 198,577,928.40, 297,866,892.60 and 53,011,208.40 is: 79,516,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,577,928.40 : 297,866,892.60 = 53,011,208.40 : x
  2. Step 2: Convert to fraction form
    198,577,928.40/297,866,892.60 = 53,011,208.40/x
  3. Step 3: Cross multiply
    198,577,928.40x = 297,866,892.60 × 53,011,208.40
  4. Step 4: Simplify right side
    198,577,928.40x = 15,790,283,919,079,018
  5. Step 5: Solve for x
    x = 15,790,283,919,079,018/198,577,928.40
  6. Step 6: Final answer
    x = 79,516,812.60

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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.