Home / 79,776,400.80-119,664,601.20-49,518,429.60

Finding the Fourth Proportional to 79,776,400.80, 119,664,601.20 and 49,518,429.60

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Solution

The fourth proportional to 79,776,400.80, 119,664,601.20 and 49,518,429.60 is: 74,277,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776,400.80 : 119,664,601.20 = 49,518,429.60 : x
  2. Step 2: Convert to fraction form
    79,776,400.80/119,664,601.20 = 49,518,429.60/x
  3. Step 3: Cross multiply
    79,776,400.80x = 119,664,601.20 × 49,518,429.60
  4. Step 4: Simplify right side
    79,776,400.80x = 5,925,603,130,134,276
  5. Step 5: Solve for x
    x = 5,925,603,130,134,276/79,776,400.80
  6. Step 6: Final answer
    x = 74,277,644.40

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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.