Home / 66,523,123.90-99,767,364.78-28,164,893.50

Finding the Fourth Proportional to 66,523,123.90, 99,767,364.78 and 28,164,893.50

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Solution

The fourth proportional to 66,523,123.90, 99,767,364.78 and 28,164,893.50 is: 42,240,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523,123.90 : 99,767,364.78 = 28,164,893.50 : x
  2. Step 2: Convert to fraction form
    66,523,123.90/99,767,364.78 = 28,164,893.50/x
  3. Step 3: Cross multiply
    66,523,123.90x = 99,767,364.78 × 28,164,893.50
  4. Step 4: Simplify right side
    66,523,123.90x = 2,809,937,203,804,351
  5. Step 5: Solve for x
    x = 2,809,937,203,804,351/66,523,123.90
  6. Step 6: Final answer
    x = 42,240,006.77

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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.