Home / 55,389,657.16-83,010,218.78-43,108,449.96

Finding the Fourth Proportional to 55,389,657.16, 83,010,218.78 and 43,108,449.96

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Solution

The fourth proportional to 55,389,657.16, 83,010,218.78 and 43,108,449.96 is: 64,604,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,657.16 : 83,010,218.78 = 43,108,449.96 : x
  2. Step 2: Convert to fraction form
    55,389,657.16/83,010,218.78 = 43,108,449.96/x
  3. Step 3: Cross multiply
    55,389,657.16x = 83,010,218.78 × 43,108,449.96
  4. Step 4: Simplify right side
    55,389,657.16x = 3,578,441,862,446,282.50
  5. Step 5: Solve for x
    x = 3,578,441,862,446,282.50/55,389,657.16
  6. Step 6: Final answer
    x = 64,604,874.74

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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.