Home / 99,853,291.20-149,779,936.80-48,768,081.60

Finding the Fourth Proportional to 99,853,291.20, 149,779,936.80 and 48,768,081.60

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Solution

The fourth proportional to 99,853,291.20, 149,779,936.80 and 48,768,081.60 is: 73,152,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,291.20 : 149,779,936.80 = 48,768,081.60 : x
  2. Step 2: Convert to fraction form
    99,853,291.20/149,779,936.80 = 48,768,081.60/x
  3. Step 3: Cross multiply
    99,853,291.20x = 149,779,936.80 × 48,768,081.60
  4. Step 4: Simplify right side
    99,853,291.20x = 7,304,480,179,905,244
  5. Step 5: Solve for x
    x = 7,304,480,179,905,244/99,853,291.20
  6. Step 6: Final answer
    x = 73,152,122.40

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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.