Home / 152,699,769-228,760,652.52-90,264,161.16

Finding the Fourth Proportional to 152,699,769, 228,760,652.52 and 90,264,161.16

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Solution

The fourth proportional to 152,699,769, 228,760,652.52 and 90,264,161.16 is: 135,225,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,699,769 : 228,760,652.52 = 90,264,161.16 : x
  2. Step 2: Convert to fraction form
    152,699,769/228,760,652.52 = 90,264,161.16/x
  3. Step 3: Cross multiply
    152,699,769x = 228,760,652.52 × 90,264,161.16
  4. Step 4: Simplify right side
    152,699,769x = 20,648,888,406,132,040
  5. Step 5: Solve for x
    x = 20,648,888,406,132,040/152,699,769
  6. Step 6: Final answer
    x = 135,225,406.96

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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.