Home / 82,788,389.40-124,182,584.10-81,444,696.60

Finding the Fourth Proportional to 82,788,389.40, 124,182,584.10 and 81,444,696.60

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Solution

The fourth proportional to 82,788,389.40, 124,182,584.10 and 81,444,696.60 is: 122,167,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788,389.40 : 124,182,584.10 = 81,444,696.60 : x
  2. Step 2: Convert to fraction form
    82,788,389.40/124,182,584.10 = 81,444,696.60/x
  3. Step 3: Cross multiply
    82,788,389.40x = 124,182,584.10 × 81,444,696.60
  4. Step 4: Simplify right side
    82,788,389.40x = 10,114,012,885,028,482
  5. Step 5: Solve for x
    x = 10,114,012,885,028,482/82,788,389.40
  6. Step 6: Final answer
    x = 122,167,044.90

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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.