Home / 75,317,095.20-112,975,642.80-21,457,408.80

Finding the Fourth Proportional to 75,317,095.20, 112,975,642.80 and 21,457,408.80

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Solution

The fourth proportional to 75,317,095.20, 112,975,642.80 and 21,457,408.80 is: 32,186,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,317,095.20 : 112,975,642.80 = 21,457,408.80 : x
  2. Step 2: Convert to fraction form
    75,317,095.20/112,975,642.80 = 21,457,408.80/x
  3. Step 3: Cross multiply
    75,317,095.20x = 112,975,642.80 × 21,457,408.80
  4. Step 4: Simplify right side
    75,317,095.20x = 2,424,164,552,002,376.50
  5. Step 5: Solve for x
    x = 2,424,164,552,002,376.50/75,317,095.20
  6. Step 6: Final answer
    x = 32,186,113.20

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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.