Home / 89,688,076.35-123,769,544.40-48,434,968.72

Finding the Fourth Proportional to 89,688,076.35, 123,769,544.40 and 48,434,968.72

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Solution

The fourth proportional to 89,688,076.35, 123,769,544.40 and 48,434,968.72 is: 66,840,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688,076.35 : 123,769,544.40 = 48,434,968.72 : x
  2. Step 2: Convert to fraction form
    89,688,076.35/123,769,544.40 = 48,434,968.72/x
  3. Step 3: Cross multiply
    89,688,076.35x = 123,769,544.40 × 48,434,968.72
  4. Step 4: Simplify right side
    89,688,076.35x = 5,994,774,011,801,131
  5. Step 5: Solve for x
    x = 5,994,774,011,801,131/89,688,076.35
  6. Step 6: Final answer
    x = 66,840,256.32

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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.