Home / 99,447,544.80-148,919,374.80-79,292,152.80

Finding the Fourth Proportional to 99,447,544.80, 148,919,374.80 and 79,292,152.80

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Solution

The fourth proportional to 99,447,544.80, 148,919,374.80 and 79,292,152.80 is: 118,737,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,447,544.80 : 148,919,374.80 = 79,292,152.80 : x
  2. Step 2: Convert to fraction form
    99,447,544.80/148,919,374.80 = 79,292,152.80/x
  3. Step 3: Cross multiply
    99,447,544.80x = 148,919,374.80 × 79,292,152.80
  4. Step 4: Simplify right side
    99,447,544.80x = 11,808,137,821,522,070
  5. Step 5: Solve for x
    x = 11,808,137,821,522,070/99,447,544.80
  6. Step 6: Final answer
    x = 118,737,348.87

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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.