Home / 109,304,160.40-163,956,240.60-28,525,128.40

Finding the Fourth Proportional to 109,304,160.40, 163,956,240.60 and 28,525,128.40

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Solution

The fourth proportional to 109,304,160.40, 163,956,240.60 and 28,525,128.40 is: 42,787,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,304,160.40 : 163,956,240.60 = 28,525,128.40 : x
  2. Step 2: Convert to fraction form
    109,304,160.40/163,956,240.60 = 28,525,128.40/x
  3. Step 3: Cross multiply
    109,304,160.40x = 163,956,240.60 × 28,525,128.40
  4. Step 4: Simplify right side
    109,304,160.40x = 4,676,872,815,096,293
  5. Step 5: Solve for x
    x = 4,676,872,815,096,293/109,304,160.40
  6. Step 6: Final answer
    x = 42,787,692.60

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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.