Home / 99,065,166.80-148,597,750.20-53,148,664.40

Finding the Fourth Proportional to 99,065,166.80, 148,597,750.20 and 53,148,664.40

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Solution

The fourth proportional to 99,065,166.80, 148,597,750.20 and 53,148,664.40 is: 79,722,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065,166.80 : 148,597,750.20 = 53,148,664.40 : x
  2. Step 2: Convert to fraction form
    99,065,166.80/148,597,750.20 = 53,148,664.40/x
  3. Step 3: Cross multiply
    99,065,166.80x = 148,597,750.20 × 53,148,664.40
  4. Step 4: Simplify right side
    99,065,166.80x = 7,897,771,955,974,832
  5. Step 5: Solve for x
    x = 7,897,771,955,974,832/99,065,166.80
  6. Step 6: Final answer
    x = 79,722,996.60

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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.