Home / 71,657,503.36-107,486,535.28-21,802,820.74

Finding the Fourth Proportional to 71,657,503.36, 107,486,535.28 and 21,802,820.74

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Solution

The fourth proportional to 71,657,503.36, 107,486,535.28 and 21,802,820.74 is: 32,704,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,657,503.36 : 107,486,535.28 = 21,802,820.74 : x
  2. Step 2: Convert to fraction form
    71,657,503.36/107,486,535.28 = 21,802,820.74/x
  3. Step 3: Cross multiply
    71,657,503.36x = 107,486,535.28 × 21,802,820.74
  4. Step 4: Simplify right side
    71,657,503.36x = 2,343,509,660,673,525.50
  5. Step 5: Solve for x
    x = 2,343,509,660,673,525.50/71,657,503.36
  6. Step 6: Final answer
    x = 32,704,316.38

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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.