Home / 99,225,375.51-148,828,365.16-30,138,779.01

Finding the Fourth Proportional to 99,225,375.51, 148,828,365.16 and 30,138,779.01

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Solution

The fourth proportional to 99,225,375.51, 148,828,365.16 and 30,138,779.01 is: 45,205,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225,375.51 : 148,828,365.16 = 30,138,779.01 : x
  2. Step 2: Convert to fraction form
    99,225,375.51/148,828,365.16 = 30,138,779.01/x
  3. Step 3: Cross multiply
    99,225,375.51x = 148,828,365.16 × 30,138,779.01
  4. Step 4: Simplify right side
    99,225,375.51x = 4,485,505,207,401,813.50
  5. Step 5: Solve for x
    x = 4,485,505,207,401,813.50/99,225,375.51
  6. Step 6: Final answer
    x = 45,205,222.80

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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.