Home / 75,212,002.60-103,754,364.63-49,121,792.44

Finding the Fourth Proportional to 75,212,002.60, 103,754,364.63 and 49,121,792.44

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Solution

The fourth proportional to 75,212,002.60, 103,754,364.63 and 49,121,792.44 is: 67,763,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212,002.60 : 103,754,364.63 = 49,121,792.44 : x
  2. Step 2: Convert to fraction form
    75,212,002.60/103,754,364.63 = 49,121,792.44/x
  3. Step 3: Cross multiply
    75,212,002.60x = 103,754,364.63 × 49,121,792.44
  4. Step 4: Simplify right side
    75,212,002.60x = 5,096,600,363,580,166
  5. Step 5: Solve for x
    x = 5,096,600,363,580,166/75,212,002.60
  6. Step 6: Final answer
    x = 67,763,125.40

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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.