Home / 173,421,845.40-260,161,926.64-85,987,677.41

Finding the Fourth Proportional to 173,421,845.40, 260,161,926.64 and 85,987,677.41

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Solution

The fourth proportional to 173,421,845.40, 260,161,926.64 and 85,987,677.41 is: 128,995,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,421,845.40 : 260,161,926.64 = 85,987,677.41 : x
  2. Step 2: Convert to fraction form
    173,421,845.40/260,161,926.64 = 85,987,677.41/x
  3. Step 3: Cross multiply
    173,421,845.40x = 260,161,926.64 × 85,987,677.41
  4. Step 4: Simplify right side
    173,421,845.40x = 22,370,719,822,284,404
  5. Step 5: Solve for x
    x = 22,370,719,822,284,404/173,421,845.40
  6. Step 6: Final answer
    x = 128,995,973.78

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1.5x scale

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.