Home / 42,724,059.20-64,135,855.20-25,703,950.40

Finding the Fourth Proportional to 42,724,059.20, 64,135,855.20 and 25,703,950.40

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Solution

The fourth proportional to 42,724,059.20, 64,135,855.20 and 25,703,950.40 is: 38,585,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724,059.20 : 64,135,855.20 = 25,703,950.40 : x
  2. Step 2: Convert to fraction form
    42,724,059.20/64,135,855.20 = 25,703,950.40/x
  3. Step 3: Cross multiply
    42,724,059.20x = 64,135,855.20 × 25,703,950.40
  4. Step 4: Simplify right side
    42,724,059.20x = 1,648,544,840,922,382
  5. Step 5: Solve for x
    x = 1,648,544,840,922,382/42,724,059.20
  6. Step 6: Final answer
    x = 38,585,866.41

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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.