Home / 71,637,664.51-107,498,153.65-30,135,498.59

Finding the Fourth Proportional to 71,637,664.51, 107,498,153.65 and 30,135,498.59

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Solution

The fourth proportional to 71,637,664.51, 107,498,153.65 and 30,135,498.59 is: 45,220,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637,664.51 : 107,498,153.65 = 30,135,498.59 : x
  2. Step 2: Convert to fraction form
    71,637,664.51/107,498,153.65 = 30,135,498.59/x
  3. Step 3: Cross multiply
    71,637,664.51x = 107,498,153.65 × 30,135,498.59
  4. Step 4: Simplify right side
    71,637,664.51x = 3,239,510,457,996,938.50
  5. Step 5: Solve for x
    x = 3,239,510,457,996,938.50/71,637,664.51
  6. Step 6: Final answer
    x = 45,220,771.50

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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.