Home / 60,809,672.40-91,087,327.80-28,489,160.40

Finding the Fourth Proportional to 60,809,672.40, 91,087,327.80 and 28,489,160.40

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Solution

The fourth proportional to 60,809,672.40, 91,087,327.80 and 28,489,160.40 is: 42,674,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809,672.40 : 91,087,327.80 = 28,489,160.40 : x
  2. Step 2: Convert to fraction form
    60,809,672.40/91,087,327.80 = 28,489,160.40/x
  3. Step 3: Cross multiply
    60,809,672.40x = 91,087,327.80 × 28,489,160.40
  4. Step 4: Simplify right side
    60,809,672.40x = 2,595,001,492,101,579
  5. Step 5: Solve for x
    x = 2,595,001,492,101,579/60,809,672.40
  6. Step 6: Final answer
    x = 42,674,156.75

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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.