Home / 72,242,987.80-99,695,391.33-41,303,804.98

Finding the Fourth Proportional to 72,242,987.80, 99,695,391.33 and 41,303,804.98

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Solution

The fourth proportional to 72,242,987.80, 99,695,391.33 and 41,303,804.98 is: 56,999,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,242,987.80 : 99,695,391.33 = 41,303,804.98 : x
  2. Step 2: Convert to fraction form
    72,242,987.80/99,695,391.33 = 41,303,804.98/x
  3. Step 3: Cross multiply
    72,242,987.80x = 99,695,391.33 × 41,303,804.98
  4. Step 4: Simplify right side
    72,242,987.80x = 4,117,799,000,899,102.50
  5. Step 5: Solve for x
    x = 4,117,799,000,899,102.50/72,242,987.80
  6. Step 6: Final answer
    x = 56,999,289.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.