Home / 66,424,005.40-99,636,008.10-39,550,149.40

Finding the Fourth Proportional to 66,424,005.40, 99,636,008.10 and 39,550,149.40

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Solution

The fourth proportional to 66,424,005.40, 99,636,008.10 and 39,550,149.40 is: 59,325,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,005.40 : 99,636,008.10 = 39,550,149.40 : x
  2. Step 2: Convert to fraction form
    66,424,005.40/99,636,008.10 = 39,550,149.40/x
  3. Step 3: Cross multiply
    66,424,005.40x = 99,636,008.10 × 39,550,149.40
  4. Step 4: Simplify right side
    66,424,005.40x = 3,940,619,005,974,610
  5. Step 5: Solve for x
    x = 3,940,619,005,974,610/66,424,005.40
  6. Step 6: Final answer
    x = 59,325,224.10

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Similar ratio
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1.5x scale

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.