Home / 101,541,878.10-152,312,817.15-97,118,889.30

Finding the Fourth Proportional to 101,541,878.10, 152,312,817.15 and 97,118,889.30

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Solution

The fourth proportional to 101,541,878.10, 152,312,817.15 and 97,118,889.30 is: 145,678,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,541,878.10 : 152,312,817.15 = 97,118,889.30 : x
  2. Step 2: Convert to fraction form
    101,541,878.10/152,312,817.15 = 97,118,889.30/x
  3. Step 3: Cross multiply
    101,541,878.10x = 152,312,817.15 × 97,118,889.30
  4. Step 4: Simplify right side
    101,541,878.10x = 14,792,451,627,761,992
  5. Step 5: Solve for x
    x = 14,792,451,627,761,992/101,541,878.10
  6. Step 6: Final answer
    x = 145,678,333.95

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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.