Home / 99,864,002.40-149,796,003.60-69,606,031.20

Finding the Fourth Proportional to 99,864,002.40, 149,796,003.60 and 69,606,031.20

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Solution

The fourth proportional to 99,864,002.40, 149,796,003.60 and 69,606,031.20 is: 104,409,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864,002.40 : 149,796,003.60 = 69,606,031.20 : x
  2. Step 2: Convert to fraction form
    99,864,002.40/149,796,003.60 = 69,606,031.20/x
  3. Step 3: Cross multiply
    99,864,002.40x = 149,796,003.60 × 69,606,031.20
  4. Step 4: Simplify right side
    99,864,002.40x = 10,426,705,300,216,912
  5. Step 5: Solve for x
    x = 10,426,705,300,216,912/99,864,002.40
  6. Step 6: Final answer
    x = 104,409,046.80

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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.