Home / 105,489,853.10-158,234,779.65-103,600,285.10

Finding the Fourth Proportional to 105,489,853.10, 158,234,779.65 and 103,600,285.10

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Solution

The fourth proportional to 105,489,853.10, 158,234,779.65 and 103,600,285.10 is: 155,400,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,853.10 : 158,234,779.65 = 103,600,285.10 : x
  2. Step 2: Convert to fraction form
    105,489,853.10/158,234,779.65 = 103,600,285.10/x
  3. Step 3: Cross multiply
    105,489,853.10x = 158,234,779.65 × 103,600,285.10
  4. Step 4: Simplify right side
    105,489,853.10x = 16,393,168,284,475,678
  5. Step 5: Solve for x
    x = 16,393,168,284,475,678/105,489,853.10
  6. Step 6: Final answer
    x = 155,400,427.65

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Similar ratio
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1.5x scale

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.