Home / 69,984,111.60-104,976,167.40-64,457,125.20

Finding the Fourth Proportional to 69,984,111.60, 104,976,167.40 and 64,457,125.20

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Solution

The fourth proportional to 69,984,111.60, 104,976,167.40 and 64,457,125.20 is: 96,685,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,111.60 : 104,976,167.40 = 64,457,125.20 : x
  2. Step 2: Convert to fraction form
    69,984,111.60/104,976,167.40 = 64,457,125.20/x
  3. Step 3: Cross multiply
    69,984,111.60x = 104,976,167.40 × 64,457,125.20
  4. Step 4: Simplify right side
    69,984,111.60x = 6,766,461,965,117,959
  5. Step 5: Solve for x
    x = 6,766,461,965,117,959/69,984,111.60
  6. Step 6: Final answer
    x = 96,685,687.80

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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.