Home / 99,072,763.80-148,609,145.70-60,330,714.90

Finding the Fourth Proportional to 99,072,763.80, 148,609,145.70 and 60,330,714.90

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Solution

The fourth proportional to 99,072,763.80, 148,609,145.70 and 60,330,714.90 is: 90,496,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,763.80 : 148,609,145.70 = 60,330,714.90 : x
  2. Step 2: Convert to fraction form
    99,072,763.80/148,609,145.70 = 60,330,714.90/x
  3. Step 3: Cross multiply
    99,072,763.80x = 148,609,145.70 × 60,330,714.90
  4. Step 4: Simplify right side
    99,072,763.80x = 8,965,696,000,759,260
  5. Step 5: Solve for x
    x = 8,965,696,000,759,260/99,072,763.80
  6. Step 6: Final answer
    x = 90,496,072.35

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1.5x scale

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.