Home / 99,718,539.20-149,577,808.80-45,970,827.20

Finding the Fourth Proportional to 99,718,539.20, 149,577,808.80 and 45,970,827.20

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Solution

The fourth proportional to 99,718,539.20, 149,577,808.80 and 45,970,827.20 is: 68,956,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,718,539.20 : 149,577,808.80 = 45,970,827.20 : x
  2. Step 2: Convert to fraction form
    99,718,539.20/149,577,808.80 = 45,970,827.20/x
  3. Step 3: Cross multiply
    99,718,539.20x = 149,577,808.80 × 45,970,827.20
  4. Step 4: Simplify right side
    99,718,539.20x = 6,876,215,601,299,440
  5. Step 5: Solve for x
    x = 6,876,215,601,299,440/99,718,539.20
  6. Step 6: Final answer
    x = 68,956,240.80

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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.