Home / 107,637,785.34-161,519,341.43-45,385,194.97

Finding the Fourth Proportional to 107,637,785.34, 161,519,341.43 and 45,385,194.97

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Solution

The fourth proportional to 107,637,785.34, 161,519,341.43 and 45,385,194.97 is: 68,104,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637,785.34 : 161,519,341.43 = 45,385,194.97 : x
  2. Step 2: Convert to fraction form
    107,637,785.34/161,519,341.43 = 45,385,194.97/x
  3. Step 3: Cross multiply
    107,637,785.34x = 161,519,341.43 × 45,385,194.97
  4. Step 4: Simplify right side
    107,637,785.34x = 7,330,586,802,226,549
  5. Step 5: Solve for x
    x = 7,330,586,802,226,549/107,637,785.34
  6. Step 6: Final answer
    x = 68,104,214.32

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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.