Home / 42,772,468.84-64,133,081.53-13,613,712.79

Finding the Fourth Proportional to 42,772,468.84, 64,133,081.53 and 13,613,712.79

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Solution

The fourth proportional to 42,772,468.84, 64,133,081.53 and 13,613,712.79 is: 20,412,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,468.84 : 64,133,081.53 = 13,613,712.79 : x
  2. Step 2: Convert to fraction form
    42,772,468.84/64,133,081.53 = 13,613,712.79/x
  3. Step 3: Cross multiply
    42,772,468.84x = 64,133,081.53 × 13,613,712.79
  4. Step 4: Simplify right side
    42,772,468.84x = 873,089,352,287,073.75
  5. Step 5: Solve for x
    x = 873,089,352,287,073.75/42,772,468.84
  6. Step 6: Final answer
    x = 20,412,414.25

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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.