Home / 82,945,196.40-124,417,794.60-52,687,225.20

Finding the Fourth Proportional to 82,945,196.40, 124,417,794.60 and 52,687,225.20

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Solution

The fourth proportional to 82,945,196.40, 124,417,794.60 and 52,687,225.20 is: 79,030,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,196.40 : 124,417,794.60 = 52,687,225.20 : x
  2. Step 2: Convert to fraction form
    82,945,196.40/124,417,794.60 = 52,687,225.20/x
  3. Step 3: Cross multiply
    82,945,196.40x = 124,417,794.60 × 52,687,225.20
  4. Step 4: Simplify right side
    82,945,196.40x = 6,555,228,362,977,544
  5. Step 5: Solve for x
    x = 6,555,228,362,977,544/82,945,196.40
  6. Step 6: Final answer
    x = 79,030,837.80

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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.