Home / 115,248,776.94-172,860,432.89-28,987,217.55

Finding the Fourth Proportional to 115,248,776.94, 172,860,432.89 and 28,987,217.55

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Solution

The fourth proportional to 115,248,776.94, 172,860,432.89 and 28,987,217.55 is: 43,477,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,248,776.94 : 172,860,432.89 = 28,987,217.55 : x
  2. Step 2: Convert to fraction form
    115,248,776.94/172,860,432.89 = 28,987,217.55/x
  3. Step 3: Cross multiply
    115,248,776.94x = 172,860,432.89 × 28,987,217.55
  4. Step 4: Simplify right side
    115,248,776.94x = 5,010,742,973,824,669
  5. Step 5: Solve for x
    x = 5,010,742,973,824,669/115,248,776.94
  6. Step 6: Final answer
    x = 43,477,623.86

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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.