Home / 42,753,364.20-64,130,046.30-12,462,215.40

Finding the Fourth Proportional to 42,753,364.20, 64,130,046.30 and 12,462,215.40

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Solution

The fourth proportional to 42,753,364.20, 64,130,046.30 and 12,462,215.40 is: 18,693,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,753,364.20 : 64,130,046.30 = 12,462,215.40 : x
  2. Step 2: Convert to fraction form
    42,753,364.20/64,130,046.30 = 12,462,215.40/x
  3. Step 3: Cross multiply
    42,753,364.20x = 64,130,046.30 × 12,462,215.40
  4. Step 4: Simplify right side
    42,753,364.20x = 799,202,450,602,573
  5. Step 5: Solve for x
    x = 799,202,450,602,573/42,753,364.20
  6. Step 6: Final answer
    x = 18,693,323.10

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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.