Home / 354,048,527.34-530,769,867.21-135,855,444.78

Finding the Fourth Proportional to 354,048,527.34, 530,769,867.21 and 135,855,444.78

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Solution

The fourth proportional to 354,048,527.34, 530,769,867.21 and 135,855,444.78 is: 203,666,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,048,527.34 : 530,769,867.21 = 135,855,444.78 : x
  2. Step 2: Convert to fraction form
    354,048,527.34/530,769,867.21 = 135,855,444.78/x
  3. Step 3: Cross multiply
    354,048,527.34x = 530,769,867.21 × 135,855,444.78
  4. Step 4: Simplify right side
    354,048,527.34x = 72,107,976,385,636,080
  5. Step 5: Solve for x
    x = 72,107,976,385,636,080/354,048,527.34
  6. Step 6: Final answer
    x = 203,666,929.30

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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.