Home / 123,130,820.20-184,574,406.30-58,320,711.40

Finding the Fourth Proportional to 123,130,820.20, 184,574,406.30 and 58,320,711.40

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Solution

The fourth proportional to 123,130,820.20, 184,574,406.30 and 58,320,711.40 is: 87,423,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,130,820.20 : 184,574,406.30 = 58,320,711.40 : x
  2. Step 2: Convert to fraction form
    123,130,820.20/184,574,406.30 = 58,320,711.40/x
  3. Step 3: Cross multiply
    123,130,820.20x = 184,574,406.30 × 58,320,711.40
  4. Step 4: Simplify right side
    123,130,820.20x = 10,764,510,681,648,642
  5. Step 5: Solve for x
    x = 10,764,510,681,648,642/123,130,820.20
  6. Step 6: Final answer
    x = 87,423,365.36

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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.