Home / 89,912,088.20-124,078,680.20-48,658,980.57

Finding the Fourth Proportional to 89,912,088.20, 124,078,680.20 and 48,658,980.57

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Solution

The fourth proportional to 89,912,088.20, 124,078,680.20 and 48,658,980.57 is: 67,149,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,088.20 : 124,078,680.20 = 48,658,980.57 : x
  2. Step 2: Convert to fraction form
    89,912,088.20/124,078,680.20 = 48,658,980.57/x
  3. Step 3: Cross multiply
    89,912,088.20x = 124,078,680.20 × 48,658,980.57
  4. Step 4: Simplify right side
    89,912,088.20x = 6,037,542,089,003,044
  5. Step 5: Solve for x
    x = 6,037,542,089,003,044/89,912,088.20
  6. Step 6: Final answer
    x = 67,149,392.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.