Home / 74,669,066.85-103,042,944.15-43,313,457.36

Finding the Fourth Proportional to 74,669,066.85, 103,042,944.15 and 43,313,457.36

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Solution

The fourth proportional to 74,669,066.85, 103,042,944.15 and 43,313,457.36 is: 59,772,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,066.85 : 103,042,944.15 = 43,313,457.36 : x
  2. Step 2: Convert to fraction form
    74,669,066.85/103,042,944.15 = 43,313,457.36/x
  3. Step 3: Cross multiply
    74,669,066.85x = 103,042,944.15 × 43,313,457.36
  4. Step 4: Simplify right side
    74,669,066.85x = 4,463,146,167,689,886.50
  5. Step 5: Solve for x
    x = 4,463,146,167,689,886.50/74,669,066.85
  6. Step 6: Final answer
    x = 59,772,357.63

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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.