Home / 42,450,812.40-63,529,252.20-25,423,705.20

Finding the Fourth Proportional to 42,450,812.40, 63,529,252.20 and 25,423,705.20

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Solution

The fourth proportional to 42,450,812.40, 63,529,252.20 and 25,423,705.20 is: 38,047,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450,812.40 : 63,529,252.20 = 25,423,705.20 : x
  2. Step 2: Convert to fraction form
    42,450,812.40/63,529,252.20 = 25,423,705.20/x
  3. Step 3: Cross multiply
    42,450,812.40x = 63,529,252.20 × 25,423,705.20
  4. Step 4: Simplify right side
    42,450,812.40x = 1,615,148,979,509,251.50
  5. Step 5: Solve for x
    x = 1,615,148,979,509,251.50/42,450,812.40
  6. Step 6: Final answer
    x = 38,047,539.92

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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.