Home / 66,685,285.65-100,083,915.68-30,349,592.85

Finding the Fourth Proportional to 66,685,285.65, 100,083,915.68 and 30,349,592.85

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Solution

The fourth proportional to 66,685,285.65, 100,083,915.68 and 30,349,592.85 is: 45,549,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685,285.65 : 100,083,915.68 = 30,349,592.85 : x
  2. Step 2: Convert to fraction form
    66,685,285.65/100,083,915.68 = 30,349,592.85/x
  3. Step 3: Cross multiply
    66,685,285.65x = 100,083,915.68 × 30,349,592.85
  4. Step 4: Simplify right side
    66,685,285.65x = 3,037,506,091,569,983
  5. Step 5: Solve for x
    x = 3,037,506,091,569,983/66,685,285.65
  6. Step 6: Final answer
    x = 45,549,869.99

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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.