Home / 66,430,302.20-99,645,453.30-49,211,613.80

Finding the Fourth Proportional to 66,430,302.20, 99,645,453.30 and 49,211,613.80

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Solution

The fourth proportional to 66,430,302.20, 99,645,453.30 and 49,211,613.80 is: 73,817,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,302.20 : 99,645,453.30 = 49,211,613.80 : x
  2. Step 2: Convert to fraction form
    66,430,302.20/99,645,453.30 = 49,211,613.80/x
  3. Step 3: Cross multiply
    66,430,302.20x = 99,645,453.30 × 49,211,613.80
  4. Step 4: Simplify right side
    66,430,302.20x = 4,903,713,564,725,535
  5. Step 5: Solve for x
    x = 4,903,713,564,725,535/66,430,302.20
  6. Step 6: Final answer
    x = 73,817,420.70

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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.