Home / 135,307,299.69-186,724,066.59-73,427,638.46

Finding the Fourth Proportional to 135,307,299.69, 186,724,066.59 and 73,427,638.46

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Solution

The fourth proportional to 135,307,299.69, 186,724,066.59 and 73,427,638.46 is: 101,330,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,307,299.69 : 186,724,066.59 = 73,427,638.46 : x
  2. Step 2: Convert to fraction form
    135,307,299.69/186,724,066.59 = 73,427,638.46/x
  3. Step 3: Cross multiply
    135,307,299.69x = 186,724,066.59 × 73,427,638.46
  4. Step 4: Simplify right side
    135,307,299.69x = 13,710,707,252,417,864
  5. Step 5: Solve for x
    x = 13,710,707,252,417,864/135,307,299.69
  6. Step 6: Final answer
    x = 101,330,137.28

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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.