Home / 82,795,060.40-124,192,590.60-39,642,051.20

Finding the Fourth Proportional to 82,795,060.40, 124,192,590.60 and 39,642,051.20

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Solution

The fourth proportional to 82,795,060.40, 124,192,590.60 and 39,642,051.20 is: 59,463,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795,060.40 : 124,192,590.60 = 39,642,051.20 : x
  2. Step 2: Convert to fraction form
    82,795,060.40/124,192,590.60 = 39,642,051.20/x
  3. Step 3: Cross multiply
    82,795,060.40x = 124,192,590.60 × 39,642,051.20
  4. Step 4: Simplify right side
    82,795,060.40x = 4,923,249,035,225,839
  5. Step 5: Solve for x
    x = 4,923,249,035,225,839/82,795,060.40
  6. Step 6: Final answer
    x = 59,463,076.80

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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.