Home / 82,920,284.40-124,380,426.60-73,354,346.40

Finding the Fourth Proportional to 82,920,284.40, 124,380,426.60 and 73,354,346.40

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Solution

The fourth proportional to 82,920,284.40, 124,380,426.60 and 73,354,346.40 is: 110,031,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920,284.40 : 124,380,426.60 = 73,354,346.40 : x
  2. Step 2: Convert to fraction form
    82,920,284.40/124,380,426.60 = 73,354,346.40/x
  3. Step 3: Cross multiply
    82,920,284.40x = 124,380,426.60 × 73,354,346.40
  4. Step 4: Simplify right side
    82,920,284.40x = 9,123,844,898,196,174
  5. Step 5: Solve for x
    x = 9,123,844,898,196,174/82,920,284.40
  6. Step 6: Final answer
    x = 110,031,519.60

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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.