Home / 79,041,707.78-109,075,213.98-43,761,085.26

Finding the Fourth Proportional to 79,041,707.78, 109,075,213.98 and 43,761,085.26

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Solution

The fourth proportional to 79,041,707.78, 109,075,213.98 and 43,761,085.26 is: 60,389,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041,707.78 : 109,075,213.98 = 43,761,085.26 : x
  2. Step 2: Convert to fraction form
    79,041,707.78/109,075,213.98 = 43,761,085.26/x
  3. Step 3: Cross multiply
    79,041,707.78x = 109,075,213.98 × 43,761,085.26
  4. Step 4: Simplify right side
    79,041,707.78x = 4,773,249,738,731,524
  5. Step 5: Solve for x
    x = 4,773,249,738,731,524/79,041,707.78
  6. Step 6: Final answer
    x = 60,389,000.61

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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.