Home / 52,156,987.70-78,235,481.55-51,779,074.10

Finding the Fourth Proportional to 52,156,987.70, 78,235,481.55 and 51,779,074.10

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Solution

The fourth proportional to 52,156,987.70, 78,235,481.55 and 51,779,074.10 is: 77,668,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,987.70 : 78,235,481.55 = 51,779,074.10 : x
  2. Step 2: Convert to fraction form
    52,156,987.70/78,235,481.55 = 51,779,074.10/x
  3. Step 3: Cross multiply
    52,156,987.70x = 78,235,481.55 × 51,779,074.10
  4. Step 4: Simplify right side
    52,156,987.70x = 4,050,960,796,426,633
  5. Step 5: Solve for x
    x = 4,050,960,796,426,633/52,156,987.70
  6. Step 6: Final answer
    x = 77,668,611.15

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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.