Home / 70,645,604.48-105,973,451.25-18,829,935.71

Finding the Fourth Proportional to 70,645,604.48, 105,973,451.25 and 18,829,935.71

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Solution

The fourth proportional to 70,645,604.48, 105,973,451.25 and 18,829,935.71 is: 28,246,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645,604.48 : 105,973,451.25 = 18,829,935.71 : x
  2. Step 2: Convert to fraction form
    70,645,604.48/105,973,451.25 = 18,829,935.71/x
  3. Step 3: Cross multiply
    70,645,604.48x = 105,973,451.25 × 18,829,935.71
  4. Step 4: Simplify right side
    70,645,604.48x = 1,995,473,273,871,852.25
  5. Step 5: Solve for x
    x = 1,995,473,273,871,852.25/70,645,604.48
  6. Step 6: Final answer
    x = 28,246,248.14

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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.