Home / 63,112,800.40-94,669,200.60-19,985,379.10

Finding the Fourth Proportional to 63,112,800.40, 94,669,200.60 and 19,985,379.10

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Solution

The fourth proportional to 63,112,800.40, 94,669,200.60 and 19,985,379.10 is: 29,978,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,112,800.40 : 94,669,200.60 = 19,985,379.10 : x
  2. Step 2: Convert to fraction form
    63,112,800.40/94,669,200.60 = 19,985,379.10/x
  3. Step 3: Cross multiply
    63,112,800.40x = 94,669,200.60 × 19,985,379.10
  4. Step 4: Simplify right side
    63,112,800.40x = 1,891,999,863,084,947.50
  5. Step 5: Solve for x
    x = 1,891,999,863,084,947.50/63,112,800.40
  6. Step 6: Final answer
    x = 29,978,068.65

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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.