Home / 140,771,803.23-210,882,780.05-66,890,472.03

Finding the Fourth Proportional to 140,771,803.23, 210,882,780.05 and 66,890,472.03

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Solution

The fourth proportional to 140,771,803.23, 210,882,780.05 and 66,890,472.03 is: 100,205,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,771,803.23 : 210,882,780.05 = 66,890,472.03 : x
  2. Step 2: Convert to fraction form
    140,771,803.23/210,882,780.05 = 66,890,472.03/x
  3. Step 3: Cross multiply
    140,771,803.23x = 210,882,780.05 × 66,890,472.03
  4. Step 4: Simplify right side
    140,771,803.23x = 14,106,048,700,208,714
  5. Step 5: Solve for x
    x = 14,106,048,700,208,714/140,771,803.23
  6. Step 6: Final answer
    x = 100,205,072.16

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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.