Home / 75,405,772.12-104,053,574.46-42,363,429.40

Finding the Fourth Proportional to 75,405,772.12, 104,053,574.46 and 42,363,429.40

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Solution

The fourth proportional to 75,405,772.12, 104,053,574.46 and 42,363,429.40 is: 58,457,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,405,772.12 : 104,053,574.46 = 42,363,429.40 : x
  2. Step 2: Convert to fraction form
    75,405,772.12/104,053,574.46 = 42,363,429.40/x
  3. Step 3: Cross multiply
    75,405,772.12x = 104,053,574.46 × 42,363,429.40
  4. Step 4: Simplify right side
    75,405,772.12x = 4,408,066,255,453,852.50
  5. Step 5: Solve for x
    x = 4,408,066,255,453,852.50/75,405,772.12
  6. Step 6: Final answer
    x = 58,457,942.03

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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.