Home / 99,036,019.80-148,554,029.70-47,923,205.40

Finding the Fourth Proportional to 99,036,019.80, 148,554,029.70 and 47,923,205.40

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Solution

The fourth proportional to 99,036,019.80, 148,554,029.70 and 47,923,205.40 is: 71,884,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,036,019.80 : 148,554,029.70 = 47,923,205.40 : x
  2. Step 2: Convert to fraction form
    99,036,019.80/148,554,029.70 = 47,923,205.40/x
  3. Step 3: Cross multiply
    99,036,019.80x = 148,554,029.70 × 47,923,205.40
  4. Step 4: Simplify right side
    99,036,019.80x = 7,119,185,278,310,800
  5. Step 5: Solve for x
    x = 7,119,185,278,310,800/99,036,019.80
  6. Step 6: Final answer
    x = 71,884,808.10

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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.