Home / 99,540,206.80-149,376,665.40-45,659,784.40

Finding the Fourth Proportional to 99,540,206.80, 149,376,665.40 and 45,659,784.40

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Solution

The fourth proportional to 99,540,206.80, 149,376,665.40 and 45,659,784.40 is: 68,520,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,540,206.80 : 149,376,665.40 = 45,659,784.40 : x
  2. Step 2: Convert to fraction form
    99,540,206.80/149,376,665.40 = 45,659,784.40/x
  3. Step 3: Cross multiply
    99,540,206.80x = 149,376,665.40 × 45,659,784.40
  4. Step 4: Simplify right side
    99,540,206.80x = 6,820,506,336,554,940
  5. Step 5: Solve for x
    x = 6,820,506,336,554,940/99,540,206.80
  6. Step 6: Final answer
    x = 68,520,114.19

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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.