Home / 99,649,020.60-149,473,530.90-91,039,676.40

Finding the Fourth Proportional to 99,649,020.60, 149,473,530.90 and 91,039,676.40

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Solution

The fourth proportional to 99,649,020.60, 149,473,530.90 and 91,039,676.40 is: 136,559,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,020.60 : 149,473,530.90 = 91,039,676.40 : x
  2. Step 2: Convert to fraction form
    99,649,020.60/149,473,530.90 = 91,039,676.40/x
  3. Step 3: Cross multiply
    99,649,020.60x = 149,473,530.90 × 91,039,676.40
  4. Step 4: Simplify right side
    99,649,020.60x = 13,608,021,883,501,402
  5. Step 5: Solve for x
    x = 13,608,021,883,501,402/99,649,020.60
  6. Step 6: Final answer
    x = 136,559,514.60

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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.