Home / 75,211,981.61-103,754,335.79-49,121,771.45

Finding the Fourth Proportional to 75,211,981.61, 103,754,335.79 and 49,121,771.45

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Solution

The fourth proportional to 75,211,981.61, 103,754,335.79 and 49,121,771.45 is: 67,763,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211,981.61 : 103,754,335.79 = 49,121,771.45 : x
  2. Step 2: Convert to fraction form
    75,211,981.61/103,754,335.79 = 49,121,771.45/x
  3. Step 3: Cross multiply
    75,211,981.61x = 103,754,335.79 × 49,121,771.45
  4. Step 4: Simplify right side
    75,211,981.61x = 5,096,596,769,226,968
  5. Step 5: Solve for x
    x = 5,096,596,769,226,968/75,211,981.61
  6. Step 6: Final answer
    x = 67,763,096.52

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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.