Home / 318,460,137.32-477,518,962.98-187,347,737.72

Finding the Fourth Proportional to 318,460,137.32, 477,518,962.98 and 187,347,737.72

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Solution

The fourth proportional to 318,460,137.32, 477,518,962.98 and 187,347,737.72 is: 280,920,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460,137.32 : 477,518,962.98 = 187,347,737.72 : x
  2. Step 2: Convert to fraction form
    318,460,137.32/477,518,962.98 = 187,347,737.72/x
  3. Step 3: Cross multiply
    318,460,137.32x = 477,518,962.98 × 187,347,737.72
  4. Step 4: Simplify right side
    318,460,137.32x = 89,462,097,432,703,440
  5. Step 5: Solve for x
    x = 89,462,097,432,703,440/318,460,137.32
  6. Step 6: Final answer
    x = 280,920,865.59

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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.