Home / 198,139,089.60-297,208,634.40-106,306,084.80

Finding the Fourth Proportional to 198,139,089.60, 297,208,634.40 and 106,306,084.80

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Solution

The fourth proportional to 198,139,089.60, 297,208,634.40 and 106,306,084.80 is: 159,459,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,139,089.60 : 297,208,634.40 = 106,306,084.80 : x
  2. Step 2: Convert to fraction form
    198,139,089.60/297,208,634.40 = 106,306,084.80/x
  3. Step 3: Cross multiply
    198,139,089.60x = 297,208,634.40 × 106,306,084.80
  4. Step 4: Simplify right side
    198,139,089.60x = 31,595,086,291,818,592
  5. Step 5: Solve for x
    x = 31,595,086,291,818,592/198,139,089.60
  6. Step 6: Final answer
    x = 159,459,127.20

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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.