Home / 100,890,111.70-151,335,167.55-28,118,124.10

Finding the Fourth Proportional to 100,890,111.70, 151,335,167.55 and 28,118,124.10

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Solution

The fourth proportional to 100,890,111.70, 151,335,167.55 and 28,118,124.10 is: 42,177,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,890,111.70 : 151,335,167.55 = 28,118,124.10 : x
  2. Step 2: Convert to fraction form
    100,890,111.70/151,335,167.55 = 28,118,124.10/x
  3. Step 3: Cross multiply
    100,890,111.70x = 151,335,167.55 × 28,118,124.10
  4. Step 4: Simplify right side
    100,890,111.70x = 4,255,261,021,865,193.50
  5. Step 5: Solve for x
    x = 4,255,261,021,865,193.50/100,890,111.70
  6. Step 6: Final answer
    x = 42,177,186.15

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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.