Home / 42,768,015.70-64,152,023.55-25,761,903.70

Finding the Fourth Proportional to 42,768,015.70, 64,152,023.55 and 25,761,903.70

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Solution

The fourth proportional to 42,768,015.70, 64,152,023.55 and 25,761,903.70 is: 38,642,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,015.70 : 64,152,023.55 = 25,761,903.70 : x
  2. Step 2: Convert to fraction form
    42,768,015.70/64,152,023.55 = 25,761,903.70/x
  3. Step 3: Cross multiply
    42,768,015.70x = 64,152,023.55 × 25,761,903.70
  4. Step 4: Simplify right side
    42,768,015.70x = 1,652,678,252,855,232
  5. Step 5: Solve for x
    x = 1,652,678,252,855,232/42,768,015.70
  6. Step 6: Final answer
    x = 38,642,855.55

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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.