Home / 86,449,339.24-129,466,200.04-49,449,088.40

Finding the Fourth Proportional to 86,449,339.24, 129,466,200.04 and 49,449,088.40

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Solution

The fourth proportional to 86,449,339.24, 129,466,200.04 and 49,449,088.40 is: 74,054,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,449,339.24 : 129,466,200.04 = 49,449,088.40 : x
  2. Step 2: Convert to fraction form
    86,449,339.24/129,466,200.04 = 49,449,088.40/x
  3. Step 3: Cross multiply
    86,449,339.24x = 129,466,200.04 × 49,449,088.40
  4. Step 4: Simplify right side
    86,449,339.24x = 6,401,985,570,590,044
  5. Step 5: Solve for x
    x = 6,401,985,570,590,044/86,449,339.24
  6. Step 6: Final answer
    x = 74,054,765.80

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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.