Home / 52,149,632.40-78,233,779.80-21,860,557.20

Finding the Fourth Proportional to 52,149,632.40, 78,233,779.80 and 21,860,557.20

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Solution

The fourth proportional to 52,149,632.40, 78,233,779.80 and 21,860,557.20 is: 32,794,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149,632.40 : 78,233,779.80 = 21,860,557.20 : x
  2. Step 2: Convert to fraction form
    52,149,632.40/78,233,779.80 = 21,860,557.20/x
  3. Step 3: Cross multiply
    52,149,632.40x = 78,233,779.80 × 21,860,557.20
  4. Step 4: Simplify right side
    52,149,632.40x = 1,710,234,018,290,104.50
  5. Step 5: Solve for x
    x = 1,710,234,018,290,104.50/52,149,632.40
  6. Step 6: Final answer
    x = 32,794,747.34

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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.