Home / 136,942,430.90-205,413,633.86-60,265,459.08

Finding the Fourth Proportional to 136,942,430.90, 205,413,633.86 and 60,265,459.08

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Solution

The fourth proportional to 136,942,430.90, 205,413,633.86 and 60,265,459.08 is: 90,398,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,942,430.90 : 205,413,633.86 = 60,265,459.08 : x
  2. Step 2: Convert to fraction form
    136,942,430.90/205,413,633.86 = 60,265,459.08/x
  3. Step 3: Cross multiply
    136,942,430.90x = 205,413,633.86 × 60,265,459.08
  4. Step 4: Simplify right side
    136,942,430.90x = 12,379,346,945,562,604
  5. Step 5: Solve for x
    x = 12,379,346,945,562,604/136,942,430.90
  6. Step 6: Final answer
    x = 90,398,183.12

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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.