Home / 66,112,292.60-99,168,438.90-47,877,961.40

Finding the Fourth Proportional to 66,112,292.60, 99,168,438.90 and 47,877,961.40

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Solution

The fourth proportional to 66,112,292.60, 99,168,438.90 and 47,877,961.40 is: 71,816,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,292.60 : 99,168,438.90 = 47,877,961.40 : x
  2. Step 2: Convert to fraction form
    66,112,292.60/99,168,438.90 = 47,877,961.40/x
  3. Step 3: Cross multiply
    66,112,292.60x = 99,168,438.90 × 47,877,961.40
  4. Step 4: Simplify right side
    66,112,292.60x = 4,747,982,689,752,459
  5. Step 5: Solve for x
    x = 4,747,982,689,752,459/66,112,292.60
  6. Step 6: Final answer
    x = 71,816,942.10

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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.