Home / 82,881,287.70-124,082,783.10-73,315,349.70

Finding the Fourth Proportional to 82,881,287.70, 124,082,783.10 and 73,315,349.70

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Solution

The fourth proportional to 82,881,287.70, 124,082,783.10 and 73,315,349.70 is: 109,761,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881,287.70 : 124,082,783.10 = 73,315,349.70 : x
  2. Step 2: Convert to fraction form
    82,881,287.70/124,082,783.10 = 73,315,349.70/x
  3. Step 3: Cross multiply
    82,881,287.70x = 124,082,783.10 × 73,315,349.70
  4. Step 4: Simplify right side
    82,881,287.70x = 9,097,172,634,725,750
  5. Step 5: Solve for x
    x = 9,097,172,634,725,750/82,881,287.70
  6. Step 6: Final answer
    x = 109,761,477.98

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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.