Home / 74,984,704.10-112,477,056.15-21,132,016.10

Finding the Fourth Proportional to 74,984,704.10, 112,477,056.15 and 21,132,016.10

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Solution

The fourth proportional to 74,984,704.10, 112,477,056.15 and 21,132,016.10 is: 31,698,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984,704.10 : 112,477,056.15 = 21,132,016.10 : x
  2. Step 2: Convert to fraction form
    74,984,704.10/112,477,056.15 = 21,132,016.10/x
  3. Step 3: Cross multiply
    74,984,704.10x = 112,477,056.15 × 21,132,016.10
  4. Step 4: Simplify right side
    74,984,704.10x = 2,376,866,961,442,404.50
  5. Step 5: Solve for x
    x = 2,376,866,961,442,404.50/74,984,704.10
  6. Step 6: Final answer
    x = 31,698,024.15

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Double scale
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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.