Home / 42,724,234.20-64,136,117.70-25,704,125.40

Finding the Fourth Proportional to 42,724,234.20, 64,136,117.70 and 25,704,125.40

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Solution

The fourth proportional to 42,724,234.20, 64,136,117.70 and 25,704,125.40 is: 38,586,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724,234.20 : 64,136,117.70 = 25,704,125.40 : x
  2. Step 2: Convert to fraction form
    42,724,234.20/64,136,117.70 = 25,704,125.40/x
  3. Step 3: Cross multiply
    42,724,234.20x = 64,136,117.70 × 25,704,125.40
  4. Step 4: Simplify right side
    42,724,234.20x = 1,648,562,812,029,959.50
  5. Step 5: Solve for x
    x = 1,648,562,812,029,959.50/42,724,234.20
  6. Step 6: Final answer
    x = 38,586,128.99

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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.