Home / 82,720,386.30-124,080,579.45-82,720,386.30

Finding the Fourth Proportional to 82,720,386.30, 124,080,579.45 and 82,720,386.30

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Solution

The fourth proportional to 82,720,386.30, 124,080,579.45 and 82,720,386.30 is: 124,080,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720,386.30 : 124,080,579.45 = 82,720,386.30 : x
  2. Step 2: Convert to fraction form
    82,720,386.30/124,080,579.45 = 82,720,386.30/x
  3. Step 3: Cross multiply
    82,720,386.30x = 124,080,579.45 × 82,720,386.30
  4. Step 4: Simplify right side
    82,720,386.30x = 10,263,993,464,431,842
  5. Step 5: Solve for x
    x = 10,263,993,464,431,842/82,720,386.30
  6. Step 6: Final answer
    x = 124,080,579.45

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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.