Home / 278,151,173.80-417,208,098.30-73,674,860.20

Finding the Fourth Proportional to 278,151,173.80, 417,208,098.30 and 73,674,860.20

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Solution

The fourth proportional to 278,151,173.80, 417,208,098.30 and 73,674,860.20 is: 110,507,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,151,173.80 : 417,208,098.30 = 73,674,860.20 : x
  2. Step 2: Convert to fraction form
    278,151,173.80/417,208,098.30 = 73,674,860.20/x
  3. Step 3: Cross multiply
    278,151,173.80x = 417,208,098.30 × 73,674,860.20
  4. Step 4: Simplify right side
    278,151,173.80x = 30,737,748,316,560,360
  5. Step 5: Solve for x
    x = 30,737,748,316,560,360/278,151,173.80
  6. Step 6: Final answer
    x = 110,507,347.13

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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.