Home / 75,287,391.18-103,838,026.05-54,457,561.32

Finding the Fourth Proportional to 75,287,391.18, 103,838,026.05 and 54,457,561.32

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Solution

The fourth proportional to 75,287,391.18, 103,838,026.05 and 54,457,561.32 is: 75,109,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287,391.18 : 103,838,026.05 = 54,457,561.32 : x
  2. Step 2: Convert to fraction form
    75,287,391.18/103,838,026.05 = 54,457,561.32/x
  3. Step 3: Cross multiply
    75,287,391.18x = 103,838,026.05 × 54,457,561.32
  4. Step 4: Simplify right side
    75,287,391.18x = 5,654,765,670,965,632
  5. Step 5: Solve for x
    x = 5,654,765,670,965,632/75,287,391.18
  6. Step 6: Final answer
    x = 75,109,066.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.