Home / 99,695,975.20-149,543,962.80-45,948,263.20

Finding the Fourth Proportional to 99,695,975.20, 149,543,962.80 and 45,948,263.20

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Solution

The fourth proportional to 99,695,975.20, 149,543,962.80 and 45,948,263.20 is: 68,922,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695,975.20 : 149,543,962.80 = 45,948,263.20 : x
  2. Step 2: Convert to fraction form
    99,695,975.20/149,543,962.80 = 45,948,263.20/x
  3. Step 3: Cross multiply
    99,695,975.20x = 149,543,962.80 × 45,948,263.20
  4. Step 4: Simplify right side
    99,695,975.20x = 6,871,285,362,705,410
  5. Step 5: Solve for x
    x = 6,871,285,362,705,410/99,695,975.20
  6. Step 6: Final answer
    x = 68,922,394.80

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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.