Home / 104,553,886.80-156,830,830.20-66,384,613.20

Finding the Fourth Proportional to 104,553,886.80, 156,830,830.20 and 66,384,613.20

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Solution

The fourth proportional to 104,553,886.80, 156,830,830.20 and 66,384,613.20 is: 99,576,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553,886.80 : 156,830,830.20 = 66,384,613.20 : x
  2. Step 2: Convert to fraction form
    104,553,886.80/156,830,830.20 = 66,384,613.20/x
  3. Step 3: Cross multiply
    104,553,886.80x = 156,830,830.20 × 66,384,613.20
  4. Step 4: Simplify right side
    104,553,886.80x = 10,411,154,000,661,878
  5. Step 5: Solve for x
    x = 10,411,154,000,661,878/104,553,886.80
  6. Step 6: Final answer
    x = 99,576,919.80

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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.