Home / 42,724,221.20-64,136,098.20-25,704,112.40

Finding the Fourth Proportional to 42,724,221.20, 64,136,098.20 and 25,704,112.40

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Solution

The fourth proportional to 42,724,221.20, 64,136,098.20 and 25,704,112.40 is: 38,586,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724,221.20 : 64,136,098.20 = 25,704,112.40 : x
  2. Step 2: Convert to fraction form
    42,724,221.20/64,136,098.20 = 25,704,112.40/x
  3. Step 3: Cross multiply
    42,724,221.20x = 64,136,098.20 × 25,704,112.40
  4. Step 4: Simplify right side
    42,724,221.20x = 1,648,561,477,030,237.75
  5. Step 5: Solve for x
    x = 1,648,561,477,030,237.75/42,724,221.20
  6. Step 6: Final answer
    x = 38,586,109.49

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1.5x scale

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.