Home / 66,424,012.40-99,636,018.60-39,550,156.40

Finding the Fourth Proportional to 66,424,012.40, 99,636,018.60 and 39,550,156.40

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Solution

The fourth proportional to 66,424,012.40, 99,636,018.60 and 39,550,156.40 is: 59,325,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,012.40 : 99,636,018.60 = 39,550,156.40 : x
  2. Step 2: Convert to fraction form
    66,424,012.40/99,636,018.60 = 39,550,156.40/x
  3. Step 3: Cross multiply
    66,424,012.40x = 99,636,018.60 × 39,550,156.40
  4. Step 4: Simplify right side
    66,424,012.40x = 3,940,620,118,703,308.50
  5. Step 5: Solve for x
    x = 3,940,620,118,703,308.50/66,424,012.40
  6. Step 6: Final answer
    x = 59,325,234.60

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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.