Home / 42,908,363.20-64,362,544.80-15,976,446.40

Finding the Fourth Proportional to 42,908,363.20, 64,362,544.80 and 15,976,446.40

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Solution

The fourth proportional to 42,908,363.20, 64,362,544.80 and 15,976,446.40 is: 23,964,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,908,363.20 : 64,362,544.80 = 15,976,446.40 : x
  2. Step 2: Convert to fraction form
    42,908,363.20/64,362,544.80 = 15,976,446.40/x
  3. Step 3: Cross multiply
    42,908,363.20x = 64,362,544.80 × 15,976,446.40
  4. Step 4: Simplify right side
    42,908,363.20x = 1,028,284,747,164,798.75
  5. Step 5: Solve for x
    x = 1,028,284,747,164,798.75/42,908,363.20
  6. Step 6: Final answer
    x = 23,964,669.60

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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.