Home / 54,786,809.42-75,607,020.54-31,264,877.76

Finding the Fourth Proportional to 54,786,809.42, 75,607,020.54 and 31,264,877.76

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Solution

The fourth proportional to 54,786,809.42, 75,607,020.54 and 31,264,877.76 is: 43,146,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786,809.42 : 75,607,020.54 = 31,264,877.76 : x
  2. Step 2: Convert to fraction form
    54,786,809.42/75,607,020.54 = 31,264,877.76/x
  3. Step 3: Cross multiply
    54,786,809.42x = 75,607,020.54 × 31,264,877.76
  4. Step 4: Simplify right side
    54,786,809.42x = 2,363,844,254,980,909.50
  5. Step 5: Solve for x
    x = 2,363,844,254,980,909.50/54,786,809.42
  6. Step 6: Final answer
    x = 43,146,229.54

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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.