Home / 75,184,494.40-103,760,947.04-42,144,215.36

Finding the Fourth Proportional to 75,184,494.40, 103,760,947.04 and 42,144,215.36

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Solution

The fourth proportional to 75,184,494.40, 103,760,947.04 and 42,144,215.36 is: 58,162,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184,494.40 : 103,760,947.04 = 42,144,215.36 : x
  2. Step 2: Convert to fraction form
    75,184,494.40/103,760,947.04 = 42,144,215.36/x
  3. Step 3: Cross multiply
    75,184,494.40x = 103,760,947.04 × 42,144,215.36
  4. Step 4: Simplify right side
    75,184,494.40x = 4,372,923,698,011,314.50
  5. Step 5: Solve for x
    x = 4,372,923,698,011,314.50/75,184,494.40
  6. Step 6: Final answer
    x = 58,162,573.72

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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.