Home / 85,636,457.06-128,508,721.94-36,452,232.20

Finding the Fourth Proportional to 85,636,457.06, 128,508,721.94 and 36,452,232.20

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Solution

The fourth proportional to 85,636,457.06, 128,508,721.94 and 36,452,232.20 is: 54,701,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,457.06 : 128,508,721.94 = 36,452,232.20 : x
  2. Step 2: Convert to fraction form
    85,636,457.06/128,508,721.94 = 36,452,232.20/x
  3. Step 3: Cross multiply
    85,636,457.06x = 128,508,721.94 × 36,452,232.20
  4. Step 4: Simplify right side
    85,636,457.06x = 4,684,429,772,294,517
  5. Step 5: Solve for x
    x = 4,684,429,772,294,517/85,636,457.06
  6. Step 6: Final answer
    x = 54,701,349.56

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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.